Extentor Flashcards
Which of the following claims about confounding factors in experiments is incorrect
a) Observer influence may be a source of confounding factors in an experiment.
b) One separates the effect of confounding phenomena by making sure that the confounding effects can be separately registered.
c) One eliminates confounding phenomena by making sure that one or several of the confounding phenomena do not appear.
d) One introduces confounding phenomena to test whether the phenomenon is stable under many different conditions.
d) One introduces confounding phenomena to test whether the phenomenon is stable under many different conditions.
What is plagiarism?
a) Not giving credit to your associates when they have helped you in your research.
b) Using somebody else’s words or ideas without attribution.
c) To profit from your research for personal financial benefit.
d) Lack of originality in research proposals.
b) Using somebody else’s words or ideas without attribution.
What do you do when you calibrate an instrument?
a) You adjust it by measuring something where the correct measurement value is known in advance.
b) You test whether it gives the same result in repeated measurements of the same object of measurement.
c) You adjust it so that it is ready for use.
d) You make a careful analysis of the magnitude of the measurement errors.
a) You adjust it by measuring something where the correct measurement value is known in advance.
When one has found a strong statistical correlation between two parameters…
a) .. .one has not proven that there is a causal relation among the parameters.
b) .. .one has a measure of the probability that there is a causal relation between the parameters.
c) .. .one has a measure of the inverse probability that there is a causal relation between the parameters.
d) .. .one has proven that there is a causal relation among the parameters.
a) .. .one has not proven that there is a causal relation among the parameters.
Why do historians generally treat diaries as more reliable sources than memoirs/autobiographies?
a) Memoirs are more fact-based and emotional reactions are not described as clearly as in diaries.
b) Memoirs are often edited by the publisher and a lot can be lost in the editing.
c) Diaries tend to contain more relevant information.
d) The temporal distance to the described events is shorter in diaries.
d) The temporal distance to the described events is shorter in diaries.
What is the main idea behind the deductive-nomological model for explanation?
a) Given the particular circumstances and the laws used in the explanation, the occurrence of the phenomenon to be explained was welcome; and it is in this sense that the explanation enables us to understand why we wanted the phenomenon to occur.
b) Given the particular circumstances and the laws used in the explanation, the occurrence of the phenomenon to be explained was to be expected; and it is in this sense that the explanation enables us to understand why the phenomenon occurred.
c) The understanding generated from the explanation derives from the fact that it is a means-ends explanation.
d) Explanations are always context dependent and the particular circumstances and the laws used in the explanation are chosen on the basis of what features of the situation that we are interested in.
b) Given the particular circumstances and the laws used in the explanation, the occurrence of the phenomenon to be explained was to be expected; and it is in this sense that the explanation enables us to understand why the phenomenon occurred.
Relativism is the view that…
a) .. . what counts as better or worse with respect to scientific theories does not vary from individual to individual or from community to community.
b) .. . the criteria for judging the merits of theories will depend on the values or interests of the individual or community entertaining them, and the distinction between science and non-science will vary accordingly.
c) .. . asserts the relative nature of the human psyche.
d) .. . whether or not a theory is true depends on whether it corresponds to the real world that it is supposed to describe.
b) .. . the criteria for judging the merits of theories will depend on the values or interests of the individual or community entertaining them, and the distinction between science and non-science will vary accordingly.
Which of the following claims is an incorrect statement about deductive, inductive and plausible (reasonable) inferences?
a) Inductive and reasonable inferences can take you from true premises to a falseconclusion.
b) Every inductive inference is an implausible inference.
c) If P must be true whenever Q_is true, then an inference from Q_to P is plausible.
d) If P can be deduced from Qi then P must be true whenever Q_is true.
b) Every inductive inference is an implausible inference.
Which of the following is an example of episteme
a) Knowing who wrote the piano piece The Moonlight Sonata.
b) Knowing when your friend plays the piano well.
c) Knowing many people who play the piano very well.
d) Knowing how to play the piano.
a) Knowing who wrote the piano piece The Moonlight Sonata.
What does it mean to hold variables constant in an experiment?
a) To replace a variable that has only changed insignificantly with the mean of the observed values.
b) To only take into consideration the observations where the values of the variables are in the margin of error relative to a given constant.
c) To make sure that one or more variables that can influence the outcome remains unchanged.
d) To replace a variable in a statistical analysis with a set of constants that are chosen on the basis of the outcome of the experiment.
c) To make sure that one or more variables that can influence the outcome remains unchanged.
What is the “referee-system”?
a) That editors of scientific journals cooperate so that bad articles will not be accepted due to the author sending the article to so many journals in the hope that the control system will fail.
b) The editor of a scientific journal sends off incoming articles to experts in the area and bases the decision whether to publish or not on their judgment.
c) A standardized system for making references to one’s sources.
d) A standardized system for testing whether articles are plagiarised.
b) The editor of a scientific journal sends off incoming articles to experts in the area and bases the decision whether to publish or not on their judgment.
What kind of scale is employed when measuring temperature in °C?
a) An interval scale.
b) A quotient scale.
c) An ordinal scale.
d) An arbitrary scale.
a) An interval scale.
What is the hypothetico-deductive method for hypothesis testing?
a) Empirical consequences are deduced from one’s hypotheses and tested empirically.
b) Hypotheses are stated so that they can be deduced from other, more fundamental theories.
c) All hypotheses should be deduced from secure empirical results.
d) All claims in science can be viewed as uncertain hypotheses, from which other uncertain hypotheses can be deduced.
a) Empirical consequences are deduced from one’s hypotheses and tested empirically.
What is the main criterion for distinguishing ad hoc hypotheses from other kinds of hypotheses?
a) An ad hoc hypothesis is discovered only after new data has been added.
b) An ad hoc hypothesis is discovered after the data has been collected.
c) An ad hoc hypothesis does not have any independently testable observable consequences.
d) An ad hoc hypothesis is a hypothesis without which the main hypothesis lacks observable consequences.
d) An ad hoc hypothesis is a hypothesis without which the main hypothesis lacks observable consequences.
What does “falsify an hypothesis” mean?
a) To show that if the hypothesis is false one can prove it.
b) To derive unreasonable consequences from the hypothesis.
c) To find the truth-value of an hypothesis.
d) To show that the hypothesis is false.
d) To show that the hypothesis is false.
What is the difference between an experiment and a controlled observation?
a) The two concepts are synonymous. There is no difference.
b) In an experiment one does not have the control over the observation variables that one has in a controlled observation.
c) In an experiment one always tries to optimize the outcome. In a controlled observation one only tries to describe the outcome.
d) In an experiment there is control over the relevant variables.
d) In an experiment there is control over the relevant variables.
What is empiricism?
a) A view of science that holds that hypotheses should not be verified or falsified, but should instead be tested empirically.
b) The view that science mainly deals with falsifying hypotheses.
c) The view that science mainly deals with verifying hypotheses.
d) A view of science that emphasizes the importance of direct observations of physical reality.
d) A view of science that emphasizes the importance of direct observations of physical reality.
What is a lexical definition?
a) A definition that captures how an expression is normally used.
b) A definition that stipulates how a word ought to be used.
c) A definition that has the degree of precision and correctness that is required in a dictionary.
d) A definition that is found in a dictionary or some other reliable source
a) A definition that captures how an expression is normally used.
In the context of hypothesis testing, what is meant by “verification asymmetry”?
a) The observable consequence drawn from the hypothesis is of a different kind than the hypothesis.
b) Some observations verify the hypothesis while others do not.
c) The auxiliary hypotheses cannot be verified but the tested hypothesis can be verified.
d) One of the two possible statements of the hypothesis is for practical reasons easier to verify than the other.
d) One of the two possible statements of the hypothesis is for practical reasons easier to verify than the other.
In the context of the methodology of science, when one speaks of “observer influence” one refers to .. .
a) .. . the fact that the observer can change the parameters in the experimental setup.
b) … the phenomenon that the method of observation can change that which is being observed, resulting in erroneous observations.
c) .. . the phenomenon that the observer interprets that which is being observed which sometimes results in erroneous observations.
d) .. . the fact that the scientific observer has considerable influence over the methods of observation.
b) … the phenomenon that the method of observation can change that which is being observed, resulting in erroneous observations.
What is a functional explanation?
a) An explanation of the phenomenon or object in terms of its function.
b) An explanation of a function.
c) An explanation that has a useful function.
d) An explanation that works.
a) An explanation of the phenomenon or object in terms of its function.
What is the role of values in scientific decision-making?
a) When deciding whether to accept a hypothesis, scientists should only be influenced by facts.
b) Scientists should depend on moral values as well epistemic values when determining whether to accept a hypothesis.
c) Values influence scientists’ judgements of whether or not to accept a hypothesis.
d) Science shows that values do not exist.
c) Values influence scientists’ judgements of whether or not to accept a hypothesis.
What does “mass-correlation” mean?
a) One makes so many statistical tests that one can expect that at least one of them will give a significant result by mere chance.
b) A significant result that occurs when one has studied so many points in the outcome space that they, due to their sheer number, in practice cannot be randomly placed.
c) That every variable has a significant (positive or negative) correlation with a great number of other variables.
d) That every variable has a significant correlation with a great number of other variables.
a) One makes so many statistical tests that one can expect that at least one of them will give a significant result by mere chance.
What kind of measurement scale is employed when one grades movies on thescale 1,2,3,4,5?
a) Measurement with an interval scale.
b) Measurement with a quotient scale.
c) It is not a measurement.
d) Measurement with an ordinal scale.
d) Measurement with an ordinal scale.
What is a reduction (in the philosophy of science)?
a) Reducing the number of open hypotheses by falsifying some of them.
b) Explaining or expressing something complex in terms of something simpler or more elementary.
c) Transforming a statement about probabilities into a statement that does not refer to probabilities.
d) Reducing the number of variables measured in an experiment.
b) Explaining or expressing something complex in terms of something simpler or more elementary.
Which of the following is correct (in the context of the theory of measurement)?
a) Random errors occur only with measurement methods with a high degree of
reliability and a low degree of validity.
b) Systematic errors can arise from methods of measurement with a high degree
of reliability (consistency).
c) A method of measurement cannot exhibit both random and systematic errors
d) Measurements with a high degree of reliability (consistency) also exhibit a
high degree of validity.
b) Systematic errors can arise from methods of measurement with a high degree
- What is the role of values in scientific decision-making?
a) Science shows that values do not exist.
b) Scientists should depend on moral values as well epistemic values when de-
termining whether to accept a hypothesis.
c) When deciding whether to accept a hypothesis, scientists should only be in-
fluenced by facts.
d) Values influence scientists’ judgements of whether or not to accept a hypoth-
esis.
d) Values influence scientists’ judgements of whether or not to accept a hypoth-
esis.
- What is David Hume’s (skeptical) response to the Problem of induction?
a) Experience, but not logic, can justify science.
b) Science cannot be rationally justified.
c) Inductively derived statements are only probably true.
d) Logic, but not experience, can justify science.
b) Science cannot be rationally justified.
- What is the “referee-system”?
a) The editor of a scientific journal sends off incoming articles to experts in the
area and bases the decision whether to publish or not on their judgment.
b) A standardized system for testing whether articles are plagiarised.
c) That editors of scientific journals cooperate so that bad articles will not be
accepted due to the author sending the article to so many journals in the
hope that the control system will fail.
d) A standardized system for making references to one’s sources.
a) The editor of a scientific journal sends off incoming articles to experts in the
area and bases the decision whether to publish or not on their judgment.
- Why can scientific models only satisfy some epistemic virtues, but not all, at the
same time?
a) Because all models idealize to some degree, they can never satisfy all epistemic
virtues.
b) Because there often is a trade-off between virtues: increasing one epistemic
virtue in a model means decreasing another one.
c) Because models are only similar to their intended targets, never identical –
and the satisfaction of all epistemic virtues would require identity.
d) Because there cannot be a fixed scheme for designing models – model build-
ing is like “baking a cake without a recipe”.
b) Because there often is a trade-off between virtues: increasing one epistemic
virtue in a model means decreasing another one.
- What is empiricism?
a) A view of science that holds that hypotheses should not be verified or falsified,
but should instead be tested empirically.
b) The view that science mainly deals with falsifying hypotheses.
c) The view that science mainly deals with verifying hypotheses.
d) A view of science that emphasizes the importance of direct observations of
physical reality.
d) A view of science that emphasizes the importance of direct observations of
physical reality.
- What is plagiarism?
a) Lack of originality in research proposals.
b) Not giving credit to your associates when they have helped you in your re-
search.
c) Using somebody else’s words or ideas without attribution.
d) To profit from your research for personal financial benefit.
c) Using somebody else’s words or ideas without attribution.
- What does it mean to hold variables constant in an experiment?
a) To make sure that one or more variables that can influence the outcome re-
mains unchanged.
b) To replace a variable in a statistical analysis with a set of constants that are
chosen on the basis of the outcome of the experiment.
c) To only take into consideration the observations where the values of the vari-
ables are in the margin of error relative to a given constant.
d) To replace a variable that has only changed insignificantly with the mean of
the observed values.
a) To make sure that one or more variables that can influence the outcome re-
mains unchanged.
- What is a reduction (in the philosophy of science)?
a) Explaining or expressing something complex in terms of something simpler
or more elementary.
b) Transforming a statement about probabilities into a statement that does not
refer to probabilities.
c) Reducing the number of open hypotheses by falsifying some of them.
d) Reducing the number of variables measured in an experiment.
a) Explaining or expressing something complex in terms of something simpler
or more elementary.
- What is the main criterion for distinguishing ad hoc hypotheses from other kinds
of hypotheses?
a) An ad hoc hypothesis does not have any independently testable observable
consequences.
b) An ad hoc hypothesis is discovered only after new data has been added.
c) An ad hoc hypothesis is a hypothesis without which the main hypothesis
lacks observable consequences.
d) An ad hoc hypothesis is discovered after the data has been collected.
a) An ad hoc hypothesis does not have any independently testable observable
consequences.
- Why is philosophical scepticism not a good method for empirical science?
a) If you question nearly everything you do not have any tools left for gaining
empirical knowledge.
b) Philosophical scepticism never questions any empirical knowledge.
c) Philosophical scepticism only questions everyday knowledge, not scientific
knowledge.
d) The philosophical sceptics never use any mathematical models and without
these one cannot attain empirical knowledge.
a) If you question nearly everything you do not have any tools left for gaining
empirical knowledge.
- In the context of the methodology of science, when one speaks of “observer
influence” one refers to . . .
a) . . . the phenomenon that the method of observation can change that which is
being observed, resulting in erroneous observations.
b) . . . the fact that the scientific observer has considerable influence over the
methods of observation.
c) . . . the phenomenon that the observer interprets that which is being observed
which sometimes results in erroneous observations.
d) . . . the fact that the observer can change the parameters in the experimental
setup.
a) . . . the phenomenon that the method of observation can change that which is
being observed, resulting in erroneous observations.
- What is the difference between an experiment and a controlled observation?
a) In an experiment one does not have the control over the observation variables
that one has in a controlled observation.
b) In an experiment one always tries to optimize the outcome. In a controlled
observation one only tries to describe the outcome.
c) The two concepts are synonymous. There is no difference.
d) In an experiment there is control over the relevant variables.
d) In an experiment there is control over the relevant variables.
- What does one mean when one says that observations are theory dependent?
a) Observations are planned to test a theory or hypothesis.
b) The possibility of an observation depends on whether a given theory is correct
or not.
c) Observations are planned so that they can contribute to theoretical explana-
tions, and do not just give rise to statistical correlations.
d) The interpretation of the observations depend on the scientific theories that
one is using.
d) The interpretation of the observations depend on the scientific theories that
one is using.
- What kind of scale is employed when measuring temperature in K (Kelvin)?
a) An ordinal scale.
b) An interval scale.
c) A quotient (ratio) scale.
d) An absolute scale.
c) A quotient (ratio) scale.
- According to the deductive-nomological model for explanation. . .
a) . . .an explanation is not scientific if it is not derived from observations.
b) . . .an explanation subsumes a phenomenon under a covering law.
c) . . .an explanation is good only if it can be used in decision making.
d) . . .an explanation is always subjective.
b) . . .an explanation subsumes a phenomenon under a covering law.
- When one has found a strong statistical correlation between two parameters. . .
a) . . .one has a measure of the probability that there is a causal relation between
the parameters.
b) . . .one has a measure of the inverse probability that there is a causal relation
between the parameters.
c) . . .one has proven that there is a causal relation among the parameters.
d) . . .one has not proven that there is a causal relation among the parameters.
d) . . .one has not proven that there is a causal relation among the parameters.
- What did the Vienna School (the logical positivists) think of verification and
falsification?
a) Research should strive to verify scientific hypotheses, and non-verifiable claims
have no place in science.
b) Research should aim at falsifying scientific hypotheses.
c) Hypotheses should be evaluated with regard to their logical structure instead
of by verification or falsification.
d) Neither verification nor falsification is possible for scientific hypotheses if
they are formulated in a logically correct (“logically positive”) way.
a) Research should strive to verify scientific hypotheses, and non-verifiable claims
have no place in science.
- The difference between an inductive and deductive argument is that. . .
a) Inductive arguments always give false conclusions while deductive arguments
often give true conclusions.
b) Deductive arguments always give true conclusions while inductive arguments
sometimes do not give true conclusions.
c) If the premises of a deductive argument are true, then the conclusion is true
while in an inductive argument the premises may be true but the conclusion
false.
d) Only inductive arguments can be used in science.
c) If the premises of a deductive argument are true, then the conclusion is true
while in an inductive argument the premises may be true but the conclusion
false.
- What does “mass-correlation” mean?
a) One makes so many statistical tests that one can expect that at least one of
them will give a significant result by mere chance.
b) A significant result that occurs when one has studied so many points in the
outcome space that they, due to their sheer number, in practice cannot be
randomly placed.
c) That every variable has a significant (positive or negative) correlation with a
great number of other variables.
d) That every variable has a significant correlation with a great number of other
variables.
a) One makes so many statistical tests that one can expect that at least one of
them will give a significant result by mere chance.
- In what way can the classical definition of knowledge be said to incorporate an
evaluative component?
a) It is good to have knowledge.
b) A belief must be justified to count as knowledge.
c) Knowledge can only be acquired through the senses.
d) It is not possible to have scientific knowledge.
b) A belief must be justified to count as knowledge.
- What must be satisfied in order to call an experiment repeatable?
a) That it can be repeated with essentially the same result by other competent
persons that follow the given description of the experiment.
b) That it is sufficiently well described that other people will be able to repeat it
(though not necessarily with the same result).
c) That the person reporting the experiment can truly report that the experiment
has been repeated a number of times.
d) That the person reporting the experiment in principle could repeat it a num-
ber of times (but hasn’t necessarily done this).
b) That it is sufficiently well described that other people will be able to repeat it
(though not necessarily with the same result).
- What is the hypothetico-deductive method for hypothesis testing?
a) All claims in science can be viewed as uncertain hypotheses, from which other
uncertain hypotheses can be deduced.
b) Hypotheses are stated so that they can be deduced from other, more funda-
mental theories.
c) Empirical consequences are deduced from one’s hypotheses and tested em-
pirically.
d) All hypotheses should be deduced from secure empirical results.
c) Empirical consequences are deduced from one’s hypotheses and tested em-
pirically.
- What is meant when one says that a model is idealized?
a) One interprets in a positive spirit, that is, one strives for a reasonable inter-
pretation of what the author is claiming.
b) When testing an hypothesis one focuses on its content and not on its linguis-
tic formulation.
c) One has disregarded some aspects of the object of study to achieve a simpler
and more manageable description.
d) When testing an hypothesis one focuses on its content and not on any other
features.
c) One has disregarded some aspects of the object of study to achieve a simpler
and more manageable description.
- Inductive arguments. . .
a) . . . need not be logically valid.
b) . . . do not lead to true conclusions.
c) . . . are logically valid.
d) . . . are often logically valid.
a) . . . need not be logically valid.
Explanations in the technological domain differ from those in the natural sci-
ences mainly by. . .
a) . . . having a smaller scope.
b) . . . being described graphically rather than in writing.
c) . . . not necessarily being in the form of mathematical formulas.
d) . . . allowing agents’ intentions to play a major part in the explanation.
d) . . . allowing agents’ intentions to play a major part in the explanation.
Which proposition about models in technology and the natural sciences is false?
a) Models in technology, as well as in the natural sciences, can be regarded as
simplified representations of studied phenomena.
b) Models in the natural sciences as well as in technology should have as large
scope as possible.
c) Technological models may be based on folk theories or obsolete science,
whereas models in natural sciences may not.
d) The best technological model is often the one that leads to a result that is
good enough, with the least use of valuable resources.
b) Models in the natural sciences as well as in technology should have as large
scope as possible.
What is plagiarism?
a) Changing or misreporting data or results.
b) Changing or making up data.
c) Making up scientific data or results.
d) Using the ideas of others without giving appropriate credit.
d) Using the ideas of others without giving appropriate credit.
What is methodological individualism?
a) The claim that every social science method must be adjusted to the individual
context of the subject under study.
b) The claim that all social phenomena are constituted by the behaviour of in-
dividual actors and their underlying beliefs and motivations.
c) The claim that type-type regularities in the social sciences are undermined by
the multiple realisability of social entities, and that social phenomena should
therefore be studied individually.
d) The claim that social phenomena can only be accurately explained by showing
how they result from the behavior of individual actors and their underlying
beliefs and motivations.
d) The claim that social phenomena can only be accurately explained by showing
how they result from the behavior of individual actors and their underlying
beliefs and motivations.
What is a functional explanation in sociology?
a) In sociology, a functional explanation is an explanation of how an institution
functions.
b) In sociology, functional explanation involves finding and describing the role
of the individuals that are responsible for how an institution functions.
c) In sociology, functional explanation involves explaining the role of individ-
uals, or smaller groups, through the function they perform in maintaining
larger groups or society as a whole.
d) In sociology, a functional explanation is an explanation that works.
c) In sociology, functional explanation involves explaining the role of individ-
uals, or smaller groups, through the function they perform in maintaining
larger groups or society as a whole.
- What does it mean to say that paradigms are incommensurable?
a) It is not possible to understand one paradigm through the framework of an-
other paradigm.
b) It is not possible to distinguish science from pseudoscience within one and
the same paradigm.
c) Paradigms never fully correspond to the real world.
d) It is not possible to exactly define what a paradigm is.
a) It is not possible to understand one paradigm through the framework of an-
other paradigm.
According to scientific realism, theoretical entities, such as electrons, are . . .
a) entities that could or could not exist but that are a part of the theory only
because they are useful.
b) entities without a fixed reference.
c) real and existing entities.
d) non-existing entities.
c) real and existing entities.
What is meant by the term “underdetermination of theories by observation”?
a) The view that observation is influenced by the theoretical framework em-
braced by the observer.
b) The view that each set of observable data can be correctly described by only
one theory or set of claims.
c) The view that theories do not need to describe any observable data.
d) The view that one set of observable data can be described correctly by several
theories, all of them inconsistent with each other.
d) The view that one set of observable data can be described correctly by several
theories, all of them inconsistent with each other.
Why can scientific models only satisfy some epistemic virtues, but not all, at the
same time?
a) Because there cannot be a fixed scheme for designing models – model build-
ing is like “baking a cake without a recipe”.
b) Because all models idealize to some degree, they can never satisfy all epistemic
virtues.
c) Because models are only similar to their intended targets, never identical –
and the satisfaction of all epistemic virtues would require identity.
d) Because there often is a trade-off between virtues: increasing one epistemic
virtue in a model means decreasing another one.
d) Because there often is a trade-off between virtues: increasing one epistemic
virtue in a model means decreasing another one.
In the context of hypothesis testing, what is meant by “verification asymmetry”?
a) Some observations verify the hypothesis while others do not.
b) The observable consequence drawn from the hypothesis is of a different kind
than the hypothesis.
c) The auxiliary hypotheses cannot be verified but the tested hypothesis can be
verified.
d) One of the two possible statements of the hypothesis is for practical reasons
easier to verify than the other.
d) One of the two possible statements of the hypothesis is for practical reasons
easier to verify than the other.
Which of the following claims is an incorrect statement about deductive, induc-
tive and plausible (reasonable) inferences?
a) Inductive and reasonable inferences can take you from true premises to a false
conclusion.
b) Every inductive inference is an implausible inference.
c) If P must be true whenever Q is true, then an inference from Q to P is
plausible.
d) If P can be deduced from Q, then P must be true whenever Q is true.
b) Every inductive inference is an implausible inference.
What must be satisfied in order to call an experiment repeatable?
a) That the person reporting the experiment in principle could repeat it a num-
ber of times (but hasn’t necessarily done this).
b) That the person reporting the experiment can truly report that the experi-
ment has been repeated a number of times.
c) That it can be repeated with essentially the same result by other competent
persons that follow the given description of the experiment.
d) That it is sufficiently well described that other people will be able to repeat it
(though not necessarily with the same result).
c) That it can be repeated with essentially the same result by other competent
persons that follow the given description of the experiment.
What is the main criterion for distinguishing ad hoc hypotheses from other kinds
of hypotheses?
a) An ad hoc hypothesis does not have any independently testable observable
consequences.
b) An ad hoc hypothesis is discovered only after new data has been added.
c) An ad hoc hypothesis is a hypothesis without which the main hypothesis
lacks observable consequences.
d) An ad hoc hypothesis is discovered after the data has been collected.
a) An ad hoc hypothesis does not have any independently testable observable
consequences.
Which of the following claims about systematic error (bias) and random error is
incorrect?
a) A method of measurement can have both systematic and random errors.
b) A method of measurement with a high degree of validity is associated with a
low degree of systematic error.
c) A method of measurement with a high degree of reliability (consistency) is
associated with a small random error.
d) A method of measurement cannot have both systematic and random errors.
d) A method of measurement cannot have both systematic and random errors.