PSYC 2013 Salkind Chp 9

Question 1

After you provide a statement of the null hypothesis, you

Accepted Answer

Set the significance level

Question 2

The most commonly used significance level people are willing to take in testing the null hypothesis is _______.

Accepted Answer

.05

Question 3

If you are examining the difference between the average scores for students on a pre/posttest measure, which is useful?

Accepted Answer

Dependent-samples t-test

Question 4

The final step in hypothesis testing is to

Accepted Answer

Compare the obtained value with the critical value and make a decision

Question 5

If you are examining the difference between the average scores of three unrelated groups, which of these would you use?

Accepted Answer

Analysis of variance

Question 6

The _______ is tested, and the results are generalized to the _______.

Accepted Answer

Sample; larger population

Question 7

The level of chance or risk that you were willing to take is expressed as _______.

Accepted Answer

A significance level

Question 8

If you want to examine the difference between the average scores of two unrelated groups, which would you select?

Accepted Answer

Independent-samples t-test

Question 9

Which of the following is the term associated with identifying differences between groups that are not due to chance?

Accepted Answer

Significance

Question 10

When reporting statistical significance, how is this usually represented?

Accepted Answer

p < .05

Questions 10