Exhibit 7-3: a Researcher Is Examining the Effects of a Computer-Based

question 85

Multiple Choice

Exhibit 7-3: A researcher is examining the effects of a computer-based training program designed to teach algebra.The researcher randomly selects subjects for two groups and gives one group the computer training and the other standard teaching methods to see if the results of the two methods differ.The following scores are from the subjects' final test.
$\begin{array}{ll}{\text {CBT }}{} & \text {Control }\\ 52 & 65 \\ 55 & 45 \\ 56 & 47 \\ 53 & 46 \\ 50 & 47 \\ 49 & 33 \\ 52 & 39 \\ 53 & 49\end{array}$
-Refer to Exhibit 7-3.Which test is most appropriate for these data and hypothesis?

• A) Chi square
• B) Correlated t-test
• C) Independent t-test
• D) Pearson's r

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Definitions:

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A period of medical training focused on the care of infants, children, and adolescents, undertaken by medical students or residents.

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Any action or failure to act by a caregiver or another person that results in harm, potential for harm, or threat of harm to a child.