Chapter 2: The Research Enterprise in Psychology Flashcards
What were Weiten’s themes?
Theme 1: Psychology is empirical
Theme 2: People’s experience of the world is highly subjective
Operational definition
statement that describes the procedures or the specific measures that are used to record observations
Construct
something abstract that is not a concrete concept
Psychological measures can be:
physiological, behavioral, or self-reported
Descriptive Studies
present observations about characteristics of a subject
Types of Descriptive Research
naturalistic/field, case studies, archival, self-reports
What is a concern with correlational observation?
danger of confounding variables
Confounding variable
a third factor that influences both variables causing them to covary
Correlation coefficient must be between
-1.00 to +1.00
Extraneous variables
variables other than the independent variable that influence the dependent variable in an experiment
Confounding of variables
when two variables are linked in such a way that it is difficult to distinguish the effects of one from the other
Sample
a subset of the population
Representative sample
accurate representation of the population
Random sample
every individual in the population has an equal chance of being chosen
Convenience sample
sample using individuals that are most readily available