Question 1

The _________ is assumed to be 0 when doing a t test using difference scores.

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Question 2

A __________ is a requirement within the logic and mathematics of the t test.

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Question 3

One can carry out a t test for dependent means in much the same way as a t test for a single, except for the use of __________.

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Question 4

Testing participants before and after an experimental manipulation is called a(n)_________ design.

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Question 5

In a t test for dependent means, the mean change score is 12 and the standard deviation of the distribution of means is 6. What is the t score?

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Question 6

A circumstance that creates a serious problem (in terms of meeting assumptions)when using the t test for dependent means is when the population is highly __________ and you are conducting a one-tailed test.

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Question 7

In the formula (M-Population M)/SM, SM is the __________.

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Question 8

To find the score at which the null hypothesis will be rejected, you look on a t table. But first, you need to know the significance level, degrees of freedom, and _________.

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Question 9

When carrying out a t test for dependent means, an effect size of __________ is considered to be medium.

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Question 10

When you measure the same people before and after some social or psychological intervention, this specific kind of repeated-measures situation is called a __________.

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Question 11

In a t test for dependent means, 10 participants are each tested twice, making a total of 10 before scores and 10 after scores. What are the degrees of freedom?

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Question 12

The t test for dependent means is also called a:

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Question 13

The formula, (M-Population M)/SM, gives you the __________.

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Question 14

In a single-sample t test, suppose the mean of your sample is 95, the mean of Population 2 is 75, and the standard deviation of the distribution of means is 5. What is the t score?

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Question 15

When carrying out a t test for dependent means, an effect size of .2 is considered to be __________.

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Question 16

When figuring the variance of the distribution of means based on an estimated population variance, you divide the estimated population variance by __________.

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Question 17

You obtain pretest and posttest scores from a group of participants. Before conducting a t test for dependent means, you first combine the two sets of scores into one set of scores by figuring __________.

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Question 18

When figuring the variance of the distribution of means based on an estimated population variance in a study with 20 participants, you divide the estimated population variance by __________.

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