PSY319: Stats and APA Review

A test is statistically significant if it is...

• p less than .05

• p more than .05

r is a symbol for...

• correlation

• rejected null

Which test compares a sample mean to the population mean?

• Single sample t-test

• Independent sample t-test

• Dependent sample t-test

• ANOVA

Which test has two separate sets of data to obtain information about two unknown populations or treatment conditions?

• Single sample t-test

• Independent sample t-test

• Dependent sample t-test

• ANOVA

Which test uses the same group of individuals in all of the treatment conditions? Usually a pre-test and a post-test

• Single sample t-test

• Independent sample t-test

• Dependent sample t-test

• ANOVA

Which test compares variability between groups and within groups? Used to evaluate mean differences between two or more treatments

• Single sample t-test

• Independent sample t-test

• Dependent sample t-test

• ANOVA

Select all that are correct in completing this phrase:

Between-group variance is due to...

• Treatment effect

• Chance

• Magic

Select all that are correct in completing this phrase:

Within-group variance is due to...

• Treatment effect

• Chance

• Magic

For ANOVA's, select the correct degrees of freedom formula for the total

• (K) (n) - 1

• K-1

• K(n-1)

For ANOVA's, select the correct degrees of freedom formula for between group

• (K) (n) - 1

• K-1

• K(n-1)