ANOVA

Question 1

What does the general linear model assume?

Answer 1

that ‘residuals’ will be normally distributed and that different statistical tests combine linearly

Question 2

What do general linear model tests assess?

Answer 2

• strength and directions of relationships and differences
• strengths of interventions and manipulations

Question 3

What are general linear model designs?

Answer 3

• Within participant designs
• between participant designs
• between and within participant designs

Question 4

What do within participant designs involve?

Answer 4

one group and one continuous outcome

Question 5

What do between participant designs involve?

Answer 5

two+ groups and one continuous outcome

Question 6

What do within and between participant designs involve?

Answer 6

two+ groups and one continuous outcome

Question 7

What do ANOVAs assess categorical differences between?

Answer 7

• different conditions in a study
• different groups in a study

Question 8

Different types of ANOVA

Answer 8

• one way
• factorial (or multiway)
• repeated measures
• Mixed

Question 9

What does the one way ANOVA involve?

Answer 9

three or more groups and one outcome variable

Question 10

What does the factorial ANOVA involve?

Answer 10

two or more groups, two or more categorical predictor values, one outcome variable

Question 11

What does the repeated measures ANOVA involve?

Answer 11

one group, two or more categorical predictor variables, one outcome variable

Question 12

What does the mixed ANOVA involve?

Answer 12

two or more groups, one or more categorical predictor variables, one outcome variable.

Question 13

When interpreting ANOVAs in Jamovi, what assumptions are made?

Answer 13

• Observations are independent
• Variance of different groups or conditions should be equal
• Residuals (unexplained variance or error) will be normally distributed
• In RM-ANOVA the differences between levels of a variable should have equal variance