Which of the following is the numerator of the test statistic for the related-samples t test?

A. the sum of the difference scores for each participant
B. the value of the test statistic plus the degrees of freedom
C. the mean difference observed minus the mean difference stated in a null hypothesis
D. estimated standard error for difference scores


Ans: C

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Regarding the normal school in the United States, which of the following statements is TRUE

a. Horace Mann was a major influence in the development of normal schools. b. Normal schools played a major role in bringing women into the teaching profession. c. Many well-known universities began as normal schools. d. The first normal school opened in 1839 in Lexington, Massachusetts. e. All of these answers.

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In a form of action research known as shared inquiry, teachers

a. define and conduct a single research project together. b. explore different questions about the same topic together. c. conduct two parallel studies and share data. d. serve as critical friends and aid in data collection for a peer's project.

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Indicate whether the statement is true or false

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Answer the following statement true (T) or false (F)

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