Research Methods

Question 1

Independent/Predictor Variable

Answer 1

Manipulated by researcher

Question 2

Dependent or criterion Variable

Answer 2

measured by researcher to determine if IV has an effect

Question 3

Confounding Variable

Answer 3

Extraneous variable varying systematically with the IV and reducing internal validity

Question 4

Quasi-Independent Variable

Answer 4

IV in quasi-experiment (using existing groups rather than random assignment in determining condition).

Question 5

Nominal Variable

Answer 5

a label or category

Question 6

Ordinal Variable

Answer 6

data are ranked, or possess order

Question 7

Interval variable

Answer 7

ranked, meaningful differences between values

Question 8

ratio variable

Answer 8

ranked, meaningful differences between values, and the value of zero signifies absence of what is measured