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Multiple Choice



 This activity contains 16 questions.

Question 1.
Because of the possibility of error in sampling from populations, researchers use _______ statements to describe results.

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Question 2.
Inferential statistics are useful for

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Question 3.
Which of the following statements regarding a researcher’s use of inferential statistics is true?

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Question 4.
The null hypothesis can be described as

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Question 5.
The level of significance of a statistical test indicates

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Question 6.
Which statement is the best as a general rule for interpreting the level of significance of a statistical test?

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Question 7.
What error describes a decision to NOT reject the null hypothesis when in fact it should have been?

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Question 8.
A t-test is used to compare

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Question 9.
The two forms of t-tests are

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Question 10.
If a researcher conducts a study in which the reading ability of a class of 20 second graders is tested at the beginning and at the end of the year, the appropriate statistical procedure to analyze the results would be

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Question 11.
Suppose a researcher is conducting a study in which five groups of adults, each group having a distinct life situation, are assessed on a measure of stress. The appropriate statistical procedure to compare the groups is a(n)

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Question 12.
Which of the following terms is also referred to as an a priori test?

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Question 13.
An interaction is defined as

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Question 14.
A two-way analysis of variance will have _______ F-tests.

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Question 15.
The covariate in analysis of covariance is chosen to be

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Question 16.
If a researcher is interested in studying the effects of differently organized classrooms on several different but related attitudes, it would be best to use what type of analysis?

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