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Technique

Independent Variable

Dependent Variable

Definition

# of IVs

Fixed or Random

# of levels in IV (If Fixed)

Between or Within Subjects

# of DVs

Fixed or Random

One Sample t-test

 A statistical test which compares the mean of a group to a known population mean

 None

 N/A

 N/A

 N/A

 1

Continuous

Variable

 Random

Independent Samples t-test

 Two groups of different people compared

 1 (only one manipulation)

 Fixed, people are in one group or the other

 2 (t-tests are always only 2 groups)

 Between (different people in each group)

 1 (just one outcome per t-test)

 Random (outcome can take on any value)

Paired Samples t-test (AKA repeated measures t-test or dependent measures t-test)

 A statistical test which compares the means of two groups

 1

 Fixed

 2

(the levels ae compared)

 Within-Subjects

(the same people are being measured)

 2

 Random

One-Way ANOVA

 Compares the means of three or more groups

 1

 Fixed

 3 or more

 Can be either between (Groups) or within subjects (repeated)

 1

 Random

Two-Way ANOVA

 A statistical test which compares the mean of two Iv’s in respect of the interaction with the DV

 2

 Fixed

 2 levels

 Can be either a Between or Within- subjects Has a tendency to be Between

 1

 Random

Repeated Measures ANOVA

 Compares the mean of three or more levels of an IV among the same group

 1

 Fixed

 3 or more

 Within Subjects

 1

 Random

Factorial ANOVA (can also be called a Mixed Factors Factorial ANOVA)

 Observes data from with 1 between subjects and 1 within subjects

 2 or more

 Fixed

 2 or more

 Both Between and Within Subjects

 1

(continuous)

 Random