PSY 309 Test 3

As sample size increases, power _______

• Increases

• Decreases

• Is not affected

• It depends

What kind of effect(s) can we see in this graph?

• One main effect

• Two main effects

• An interaction effect

• No effect

How many IVs does a 2x2x2 ANOVA have?

• 1

• 2

• 3

• 6

The effect of one variable at one level of another variable is known as:

• A main effect

• An interaction effect

• A simple effect

What kind of effect(s) can we see in this graph?

• One main effect

• Two main effects

• Interaction effect

• Interaction and main effect(s)

Which post hoc analysis calculates a new alpha to account for multiple comparisons?

• Tukey's HSD

• Fisher's LSD

• Bonferroni

• Beefaroni

Which of the following does not increase power?

• Decrease variance

• Increase alpha

• Increase sample size

• Decrease distance between means

You want to compare how year in college affects stress. You follow the same cohort throughout college and assess stress each year. What test is appropriate?

• Between Subjects Factorial ANOVA

• Repeated Measures Factorial ANOVA

• Between Subjects

  One-way ANOVA

• Repeated Measures one-way ANOVA

What kind of interaction do we see in this graph?

• Spreading

• Crossover

Which of the following is not a disadvantage of using ANOVAs?

• Cost and number of participants required escalates quickly

• You need lots of participants for power

• Interpretation can be more difficult

• Alpha inflation