Unit 1 Exp Design CHC Flashcards
Testable
if there is a possibility of deciding whether it is true or false based on experimentation by anyone.
Non-testable
a statement or idea that cannot be empirically investigated or confirmed through observation, experimentation, or other scientific methods.
Quantitative
Numbers and mathematics to describe biological processes.
Qualitative
descriptive observations of biological processes.
Trials
The act of testing by experience; proof; test.
Observation
an act or instance of noticing or perceiving and the acquisition of information from a primary source.
Empirical evidence
the information obtained through observation and documentation of certain behavior and patterns or through an experiment.
Data
a compound or information derived from living organisms and their products.
Models in science
a physical and/or mathematical and/or conceptual representation of a system of ideas, events or processes.
Analogy
an organ in different species similar in function but different in structure.
Prototype
the ancestral or primitive form of a species or other group; an archetype.
Hypothesis
An idea that proposes a tentative explanation about a phenomenon or a narrow set of phenomena observed in the natural world.
Variable
anything that can change or be changed within an experiment.
Procedure
A biological process is completed by a specific collection of molecular activities carried out by specific gene products (or macro-molecular complexes), frequently in a highly controlled manner and a specified temporal sequence. Another word for the process or the synonym of the process is “procedure”.
Precision
how close measurements of the same item are to each other.
Accuracy
how close a measurement is to the true or accepted value.
Scientific method
Control
an element that remains unchanged or unaffected by other variables.
Constant
the part that doesn’t change during the experiment.
Predict
a specific statement about what will occur (i.e. the outcome or pattern that will be observed) in a particular research investigation (e.g., an experiment).
Infer
the process of making inferences and predictions about biological networks.
Independent variable
a variable that stands alone and isn’t changed by the other variables you are trying to measure.
Dependent variable
what you measure in the experiment and what is affected during the experiment.
Manipulated variable
a factor that is purposefully and specifically changed by the experimenter.
Responding variable
the part of an experiment that a scientist measures and observes closely for a change or a response.
Sample size
the number of observations or individuals included in a study or experiment.
Validity
scientifically accurate information that is used in an unbiased way to convey a biological idea.
Trends in data
general directions of data, such as an overall increase in global temperature.
Correlation
shows a connection between a factor and an outcome.
Variability
the tendency at which traits in that population may vary.
Mass
the measure of the amount of matter in a body.
Volume
the amount of space that an object occupies.
Weight
the measure of the force of gravity acting on a body.
Percent
Percents are used to report many different values.
Rate
The rate, or speed, at which the number of organisms in a population increases.
Ratio
a numerical comparison of how many offspring will have one phenotype versus another.
Line graph
connects individual data points that, typically, display quantitative values over a specified time interval.
Bar graph
used to compare the frequency of a category or characteristic with that of another category or characteristic.
Pie graph
a circle divided into a series of segments.
Scatter plot
uses dots to represent values for two different numeric variables.
Claim
a generalization based on a reported statistically significant effect.
Evidence
A body of facts or information indicating whether a belief or proposition is true or valid.
Reason
exploration of the causality of events.
Theory
Explanation of a topic that the natural world that can incorporate laws, hypotheses, and facts
Bias
a difference between the observed and expected values in some property of a distribution or for more simplification different.
