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Introduction Research Education
Exam 8: Tools of Research
Path 4
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Question 81
Multiple Choice
A teacher wishes to compare the effectiveness of two reading instructional programs for third graders.She carries out an experimental study in which one group receives one program and the second group receives the other program.What kind of measurement tool would you recommend to measure the outcome of this study?
Question 82
Multiple Choice
Consider the following data from a 40-item math skills test administered to three groups of elementary school students.
Ā AgeĀ GroupĀ
Ā MeanĀ ScoreĀ
3
r
d
32.1
4
t
h
37.5
4
Ā thĀ
39.3
\begin{array}{ll}\text { Age Group } & \text { Mean Score } \\3rd & 32.1 \\4th & 37.5 \\4 \text { th } & 39.3\end{array}
Ā AgeĀ GroupĀ
3
r
d
4
t
h
4
Ā thĀ
ā
Ā MeanĀ ScoreĀ
32.1
37.5
39.3
ā
Interpretation of these data for 5th graders may be limited by the test's
Question 83
Multiple Choice
"Objectivity" as it refers to measuring instruments means
Question 84
Multiple Choice
A researcher investigating a teacher's use of positive reinforcement in the classroom observed the classroom in five-minute cycles and recorded the number of instances of positive reinforcement during the cycle.The researcher was using