1. You use a repeated-measures design to study the effect of different coaching strategies on the number of basketball free throws participants make. You find that the more attempts the participants make, the better they get, which is an example of ______.
Answer
Correct Answer:
A practice effect
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2. What differentiates a dependent-groups design from an independent-groups design?
Answer
Correct Answer:
There is a relationship between people in different conditions or they are the same people.
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3. The standard error of the mean difference is ______.
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Correct Answer:
The standard deviation of the differences for a sampling distribution of mean differences
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4. When analyzing a dependent design with three or more groups, which is the appropriate analysis?
Answer
Correct Answer:
All of these
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5. Which of the following is not an assumption of the dependent-samples t test?
Answer
Correct Answer:
The IV has three or more groups.
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6. Of the following what would be the most appropriate matching variable for a study on the effect of encouragement on math test performance?
Answer
Correct Answer:
GPA
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7. If you wanted to do a repeated-measures design looking at the effect of watching different types of movies (comedies and dramas) on mood, how many types of movies would each participant view?
Answer
Correct Answer:
2
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8. Bill randomly assigns each participant in his study to one of the possible sequences of conditions without concern about order or sequence. He’s using ______.
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9. The numerator of the variance created by adding the squared differences in the scores of individual participants across different conditions in a dependent design is known as ______.
Answer
Correct Answer:
The sums of squares of subjects
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10. If the assumption of sphericity is violated, you should use ______ to test your hypothesis.
Answer
Correct Answer:
Greenhouse–Geisser
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11. Within subjects anova is the statistical test used to analyze dependent ____ groups designs.
Answer
Correct Answer:
Multiple
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12. Sum of squares of subjects is the numerator of the variance created by adding the squared differences in the scores of individual participants across different condi-tions in a dependent design.
Answer
Correct Answer:
True
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13. Standard deviation of the differences for a sampling dis-tribution of mean differences; estimated from the standard deviation of difference scores in a dependent-samples study is standard error of mean differences
Answer
Correct Answer:
True
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14. In a ____ design, sphericity is the assumption that the variances of the differences between all the combina-tions of pairs of groups are equal.
Answer
Correct Answer:
Dependent
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15. Repeated measures design is a design where participants experience every condition in a study; in an experiment they also are ran-domly assigned to the order of conditions.
Answer
Correct Answer:
True
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16. Randomized partial counterbalancing is randomly assigning each participant to one of the possible sequences of conditions without concern about order or sequence
Answer
Correct Answer:
True
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17. A confound that occurs when partici-pants’ scores change due to repeating a task rather than because of the level of the IV is called
Answer
Correct Answer:
Practice effect
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18. The effect size for a _____ multiple-group design that removes the variability unique to individual participants from the error term Is called partial eta squared
Answer
Correct Answer:
Dependent
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19. Randomly assigning partic-ipants to different sequences of conditions so that each condition is represented in each order an equal number of times but not all sequences are represented is partial counterbalancing
Answer
Correct Answer:
True
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20. A confound that occurs when the order of each treatment condition cannot be separated from the condition is called
Answer
Correct Answer:
Order effect
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21. ____ difference is the average difference between the scores of matched pairs or the scores for the same par-ticipants across two conditions
Answer
Correct Answer:
Mean
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22. Match pair design is where participants in each group are matched on a characteristic relevant to the variable that is being measured; in an experimental design a member of each matched pair is randomly assigned to each IV condition.
Answer
Correct Answer:
True
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23. ____ square balancing is a type of partial counterbalancing where each condition appears once in each sequence; participants are then randomly assigned to the different sequences.
Answer
Correct Answer:
Latin
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24. Interaction sum of squares is the numerator of the variance created by the differences among differ-ent participants in the same condition in a dependent design; considered an interaction between condition and participants.
Answer
Correct Answer:
True
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25. A confound that occurs when changes in the DV occur because of participants becoming tired is called
Answer
Correct Answer:
Fatigue effect
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26. The statistical test used to analyze results from a dependent ___ groups design is called dependent sample t test
Answer
Correct Answer:
Two
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27. Dependent group design is where the partic-ipants in different conditions are related or are the same people; the design reduces error variance and is more pow-erful than an independent design.
Answer
Correct Answer:
True
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28. Counterbalancing is procedure to eliminate order effects in a repeated measures experiment
Answer
Correct Answer:
True
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29. Complete Counterbalancing is randomly assigning par-ticipants to all the possible sequences of conditions in an experiment.
Answer
Correct Answer:
True
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30. A confound that occurs when the effect of one condition of the treatment continues (or carries over) into the next condition is called
Answer
Correct Answer:
Carryover effect
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Research Methods (Statistics And Applications) MCQs | Topic-wise
