Grace randomly assigns college-bound African-American students to the intervention or to a control condition. Grace gives a mathematics achievement test in September to both groups. Through the academic year the treatment condition receives the intervention. She uses end of year achievement tests to see whether there are differences between conditions. Grace found that students studied together

for the end of year achievement tests. She believes that some of the students in the treatment condition shared intervention information with the control group. Which of the following threats does Grace now have to be most concerned about?

a. Maturation by treatment
b. Treatment diffusion
c. Selection by treatment
d. Statistical regression


b

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Specimen description/narrative is

A) a form of reporting that attempts to record all that occurs. B) a detailed record of significant incidents or events. C) video or tape recording short periods of time. D) used to evaluate new classroom activities. E) when an observer watches and codes a set of specific behaviors within a certain time frame.

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At which step in the research process should researchers consider potential ethical issues?

a. In specifying a problem to study b. Throughout the research study c. In data collection and data analysis d. In the interpretation of the data

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"Well, let me see if I can summarize what has been said so far." This is a way in which the supervisor may summarize what he/she has heard in the discussion. The supervisor is using which of the following behaviors?

a. Listening b. Clarifying c. Presenting d. Reflecting

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"There is no such thing as a bad movie." Do you consider this statement to be a fact or an opinion? Please explain your answer.

What will be an ideal response?

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