Stats Exam #3

Dependent/Paired samples t-test

compares two sample means from the same group of subjects
(test & retest or before and after)

One-way ANOVA

A statistical test used to analyze data from an experimental design with one independent variable that has three or more groups (levels).

independent samples t-test

a hypothesis test used to compare two means for a between-groups design, a situation in which each participant is assigned to only one condition

two way ANOVA

a hypothesis test that includes two nominal independent variables, regardless of their numbers of levels, and a scale dependent variable

Repeated Measures ANOVA

You have three sets of values you are comparing (pre-,mid-, and post-), and these sets are dependent, becauseeach participant provides data at each timepoint.

1. Repeated measures ANOVA

• This is used for measuring depression levels in the same group at four different timepoints.

Independent samples t-test

• This is appropriate for comparing anxiety scores between two independent groups (in-state vs. out-of-state students).

Dependent samples t-test

This is used for comparing anxiety scores of the same students at two timepoints (beginning and end of freshman year).

One-way ANOVA

• This is suitable for comparing mental health ratings across four independent groups (refugees from different regions).

Two-way ANOVA

• This is appropriate for examining the effects of two categorical factors (previous stats course and homework completion) on course grades.