Final Exam Flashcards
The idea that scientists must always make assumptions, to some degree, while testing hypotheses is known as:
a. the Duhem-Quine principle (CORRECT)
b. falsificationism
c. logical positivism
d. empirical adequacy
In order to continue to investigate possible causes of schizophrenia, researchers must assume that the causes are
a. falsifiable
b. probabilistic
c. refutable
d. discoverable (CORRECT)
Generating a prediction based on theory, and testing it, is known as the logic of:
a. observation
b. discovery
c. justification (CORRECT)
d. operationalisation
If a church or institution states that ‘the Earth is flat’, and you accept the statement as true, you are acquiring knowledge through
a. intuition
b. authority (CORRECT)
c. empiricism
d. rationalism
Meta-analyses and systematic reviews are strong sources of evidence because they examine the following characteristic of research studies
a. control
b. discoverability
c. replication (CORRECT)
d. operationalism
Which of the following are the characteristics of a high-quality source of information?
a) Authority
b) Coverage
c) Currency
d) Objectivity
e) All of the above (CORRECT)
Your eText mentions that the morality of abortion is not an issue that can be investigated scientifically. How could you alter the research problem to make it more scientific?
a. By asking about the health risks, health benefits, or psychological effects of abortion rather than the morality (CORRECT)
b. By asking about the morality of birth control rather than abortion
c. By asking about the morality of abortion in animals other than humans
d. By including the moral rightness of abortion’s impact on the father as well
Once you know the correct answer to Question 2 above: Why was that the correct answer
a. Because the new research idea could be confirmed or refuted (CORRECT)
b. Because the new research idea corrected for bias
c. Because the new research idea didn’t require experimentation on humans
d. Because the new research idea was more ethical to investigate
The two most important research conditions stipulated by the Nuremberg Code are:
a. informed consent and valid research design (CORRECT)
b. informed consent and potential benefits
c. valid research design and potential benefits
d. valid research design and specific research questions
Debriefing participants that their undesirable behaviour was situational is known as:
a. amelioration
b. dehoaxing
c. desensitising (CORRECT)
d. tactics
The type of variable in a study measuring the heights of children is a:
a. categorical variable
b. quantitative variable (CORRECT)
c. independent variable
d. extraneous variable
The variables Exam (variable A) and Anxiety (variable B) may be correlated but not causally related because:
a. the variables are not inversely related
b. changes in A do not precede changes in B
c. other possible variables impact B (CORRECT)
d. all of the above
The use of several methods for research is known as:
a. event sampling
b. laboratory observation
c. naturalistic observation
d. triangulation (CORRECT)
To correct for the age-cohort effect in a longitudinal study, you could
a. test participants in an experimental study !
b. test participants in different age groups longitudinally (CORRECT)
c. test participants with a nonexperimental study
d. test participants with pre-created tests and surveys
You decide to use a one-time collection of questionnaires to test the relationship between boredom and problem internet use. Which research approach are you using?
a. experimental qualitative research
b. nonexperimental qualitative research
c. experimental quantitative research
d. nonexperimental quantitative research (CORRECT)
Which of the following is known as a rank-order scale of measurement?
a. Interval scale
b. Nominal scale
c. Ordinal scale (CORRECT)
d. Ratio scale
From a population of 100 married women and 60 unmarried women, you select a sample of 50 each in order to compare their longevity. You have a:
a. proportional stratified sample
b. disproportional stratified sample (CORRECT)
Which of the following variables is exemplified by the IQ scores of children in a school?
a. Interval-level variable (CORRECT)
b. Nominal-level variable
c. Ordinal-level variable
d. Ratio-level variable
When is a relationship considered statistically significant?
a. When the relationship between IV and DV is not due to chance (CORRECT)
b. When changes in IV affect DV and vice versa
c. When the researcher has a statistical background
d. When proper statistical tools are used
In selecting a control group for research, which among the following is important in order to minimise the threat to internal validity? The control group:
a. must have the same demographic characteristics
b. should be exposed to the same history event
c. must benefit from the same maturation effect
d. all of the above (CORRECT)
What should be the only difference between the experimental groups?
a. Levels of the dependent variable
b. Levels of the extraneous variable
c. Levels of the independent variable (CORRECT)
d. all of the above
If you wanted the research conditions to appear identical to both the experimenter and the research participant, you would:
a. devise manipulations that would ensure that both experimenter and participant are blind to the treatment condition received by the participant (CORRECT)
b. explain that they have to avoid some of the possible situations that could arise during the experiment
c. provide participants and experimenters with an unrelated hypothesis
d. question the participant and experimenter after the study regarding their perception of the different aspects of the experiment
A selection threat occurs when
a. a differential selection group is not used
b. a differential selection group is used (CORRECT)
c. the selection group is predisposed to the result
d. the selection has not been done by experts
For a group of employees in a data-processing centre, you want to test the effect of training on their speed and accuracy, for which you decide to use a pretest-posttest control-group design. When the pretest is given, you find that the participants’ scores on the speed of data processing are very high. What is this effect known as?
a. Ceiling effect (CORRECT)
b. Competency effect
c. Floor effect
d. Sequencing effect