Flashcards in Types Of Studies Deck (11)
Expresses the relationship between two variables; doesn't imply causation.
Manipulation of an independent variable in order to understand its effects on a dependent variable. Identify cause-and-effect relationships.
The process of choosing subjects to study.
A group of subjects selected for study; a subset of a population.
A group of people about whom the researcher wants to make conclusions. A sample should be representative of the population.
Random placement of subjects into experimental or control groups.
A group not subject to to experimental application.
The things that can vary among subjects.
Manipulated by researcher; produces a change in dependent variable.
Measured by the researcher.