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Two-Way Analysis of Variance (ANOVA) MCQ

1. Assuming any differences in means are significant, the data below suggests ______.Candies eaten,Group,Boy,12.50,Girl,10.00,12.50

Two main effects, an interaction

No main effects, an interaction

One main effect, an interaction

Two main effects, no interaction

Answer

Correct Answer: No main effects, an interaction

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2. An interaction effect means that ______.

The effect of one independent variable depends on the level of another independent variable

The effect size is extremely small

The effect size is extremely large

You have a single-factor design

Answer

Correct Answer: The effect of one independent variable depends on the level of another independent variable

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3. A factorial research design with two levels of each of two factors (2 × 2 factorial design), with 8 participants in each condition would have a total of how many participants.

Answer

Correct Answer: 32

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4. A two-way ANOVA involves 2 dependent variables.

True

False

Answer

Correct Answer: False

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5. Assuming any differences in means are significant, the data below suggestsHours,exercised, per week,Group,Boy,10.00,Girl,10.00,10.00

Two main effects, an interaction

No main effects, an interaction

One main effect, no interaction

Two main effects, no interaction

Answer

Correct Answer: Two main effects, an interaction

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6. With a two-way ANOVA you calculate an F-ratio for the interaction effect and each of the main effects.

True

False

Answer

Correct Answer: True

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7. In a factorial research design with two levels of each of two factors (2 × 2 factorial design), you are testing for ______.

The main effects of 2 factors

The main effects of 4 factors

The main effects of 2 factors and an interaction effect

The main effects of 4 factors and an interaction effect

Answer

Correct Answer: The main effects of 2 factors and an interaction effect

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8. Interaction effects involve comparing both cell means and marginal means.

True

False

Answer

Correct Answer: False

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9. A simple effect ______.

Is another term for a main effect

Is another term for an interaction effect

Can only occur if there is no interaction effect

Is the effect of one independent variable at one of the levels of another independent variable

Answer

Correct Answer: Is the effect of one independent variable at one of the levels of another independent variable

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10. R2, as a measure of effect size, ______

Can only be used when main effects are present

Can only be used when an interaction effect is present

Can be used when doing a two-way ANOVA

Cannot be used when doing a two-way ANOVA

Answer

Correct Answer: Can be used when doing a two-way ANOVA

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11. How many levels are there of each factor in a 2 × 2 factorial design?

It depends on whether there is an interaction effect.

It cannot be determined from the information provided.

Answer

Correct Answer: 2

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12. How many F-ratios are calculated if you do a two-way ANOVA?

Answer

Correct Answer: 3

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13. Main effects involve comparing marginal means.

True

False

Answer

Correct Answer: True

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14. A factorial research design allows you to identify interactions between independent variables.

True

False

Answer

Correct Answer: True

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15. Assuming any differences in means are significant, the data below suggests ______.Candies eaten,Group,Boy,12.50Girl,15.00,15.00

No main effects, an interaction

Two main effects, an interaction

One main effect, no interaction

Two main effects, no interaction

Answer

Correct Answer: One main effect, no interaction

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16. Effect of one independent variable at one of the levels of another independent variable is called

Main effect

Interaction effect

Single effect

Multiple effect

Answer

Correct Answer: Single effect

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17. Factorial research design consisting of ____ independent variables is two factor research design

One

Two

Three

Zero

Answer

Correct Answer: Two

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18. Marginal Mean represents a main effect within a factorial research design.

True

False

Answer

Correct Answer: True

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19. Effect of an independent variable on the dependent variable within a factorial research design is called

Main effect

Interaction effect

Single effect

Multiple effect

Answer

Correct Answer: Main effect

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20. Effect of an independent variable on the dependent variable within a factorial research design is called

Main effect

Interaction effect

Single effect

Multiple effect

Answer

Correct Answer: Main effect

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21. Cell Mean of the dependent variable for a combination of independent variables.

True

False

Answer

Correct Answer: True

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22. Cell is a combination of ____variables within a factorial research design.

Dependent

Independent

Constant

Zero

Answer

Correct Answer: Independent

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23. Effect of one independent variable on the dependent variable changes at the different levels of another independent variable is called

Main effect

Interaction effect

Single effect

Multiple effect

Answer

Correct Answer: Interaction effect

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24. Research design consisting of all possible combinations of two or more independent variables is factorial research design

True

False

Answer

Correct Answer: True

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25. Research design consisting of ____ independent variable is single factor research design

One

Two

Three

Zero

Answer

Correct Answer: One

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