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Flashcards in Types Of Studies Deck (11):
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Correlational study

Expresses the relationship between two variables; doesn't imply causation.

1

Experiment

Manipulation of an independent variable in order to understand its effects on a dependent variable. Identify cause-and-effect relationships.

2

Sampling

The process of choosing subjects to study.

3

Sample

A group of subjects selected for study; a subset of a population.

4

Population

A group of people about whom the researcher wants to make conclusions. A sample should be representative of the population.

5

Random assignment

Random placement of subjects into experimental or control groups.

6

Control group

A group not subject to to experimental application.

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Variables

The things that can vary among subjects.

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Independent variable

Manipulated by researcher; produces a change in dependent variable.

9

Dependent variable

Measured by the researcher.

10

Confounding variable

Any possible variable (other than the independent variable) that may cause the observed effect.