Chapter 2 Terms Flashcards
Archival Research
A method of research that uses ast records or pre-existing data sets to answer research questions or to find patterns and relationships in the question you’re trying to answer.
Attrition
The reduction of participants in a study over time (ex: participants moving away, dropping out of the study, dying)
Cause-and-Affect Relationship
A term used to describe the change in one variable, which causes the other variable to change as well.
Clinical/Case Study
A method of research that studies the changes of only one person, or only a few people (not a sample or population)
Confirmation Bias
The tendency for people to focus more on evidence that supports their beliefs, and ignore information that disproves their beliefs.
Confounding Variable
An unanticipated outside variable that can affect the independent and dependent variables.
Control Group
The group in the experiment that serves as a group for comparison and controls any factors that might influence the results of a study.
Correlation
The relationship between two or more variables that are correlated (so not a cause-and-effect relationship).
Correlation Coefficient
A number that ranges from -1.00 to +1.00, which indicates the strength and direction of a correlation between variables.
Cross-Sectional Research
A method of research that studies multiple groups of a population at the same time (opposite of longitudinal research).
Debriefing
After deceiving a participant during an entire study, you then tell truthful information about what you were looking for during the experiment. This is called:
Deception
When you purposefully mislead a participant during an experiment in order to maintain the integrity of the experiment.
Deductive Reasoning
When the results of an experiment are predicted based on a general premise (big predictions -> smaller ideas).
Dependent Variable
The variable in an experiment that the researcher measures to see how much effect the independent variable had on the experiment.
Double-Blind Study
A type of experiment in which both the experimenter and participants are blind to group assignments (have no idea which group is the experimental or the control).