8. 8. 7 6. 4 4 3 3 2 2 1 1 2 1 4 LONG QUESTIONNAIRE SCORE SHORT QUESTIONNAIRE SCORE Complete the following sentences by trusting your eyes to see meaningful differences in the two graphs. The range for Graph I is the range for Graph II. The mean for Graph I is the mean for Graph II. The variance for Graph I is the variance for Graph II. This implies that the shorter questionnaire will be than the longer questionnaire at detecting differences before and after the intervention. 9.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
7
7
4
4
3
2
2
1
1
1
2
3
4
1
2
3
4
LONG QUESTIONNAIRE SCORE
SHORT QUESTIONNAIRE SCORE
Complete the following sentences by trusting your eyes to see meaningful differences in the two graphs.
The range for Graph I is
the range for Graph II.
The mean for Graph I is
the mean for Graph II.
The variance for Graph I is
the variance for Graph II.
This implies that the shorter questionnaire will be
than the longer questionnaire at detecting differences before and after the
intervention.
Transcribed Image Text:7 7 4 4 3 2 2 1 1 1 2 3 4 1 2 3 4 LONG QUESTIONNAIRE SCORE SHORT QUESTIONNAIRE SCORE Complete the following sentences by trusting your eyes to see meaningful differences in the two graphs. The range for Graph I is the range for Graph II. The mean for Graph I is the mean for Graph II. The variance for Graph I is the variance for Graph II. This implies that the shorter questionnaire will be than the longer questionnaire at detecting differences before and after the intervention.
A researcher designs an intervention to combat anti-Arab oppression. She also designs a questionnaire to measure anti-Arab oppression so she can
test the participants' level of anti-Arab oppression before and after the intervention. She tests one version of her questionnaire with 45 statements
and a shorter version with 12 statements. In both questionnaires, the participants respond to each statement with a rating on a 5-point Likert scale
with 0 equaling "strongly disagree" and 4 equaling "strongly agree." The overall score for each participant is the mean of his or her ratings for the
different statements on the questionnaire.
Look at the following graphs. Graph I graphs the results from the long version, and Graph II graphs the results from the short version.
Graph I
Graph II
PARTICIPANTS
PARTICIPANTS
8
8
7
7
6
6
4
4
3
3
2
1
1
1
2
3
4
2
4
LONG QUESTIONNAIRE SCORE
SHORT QUESTIONNAIRE SCORE
Complete the following sentences by trusting your eyes to see meaningful differences in the two graphs.
The range for Graph I is
the range for Graph II.
2.
Transcribed Image Text:A researcher designs an intervention to combat anti-Arab oppression. She also designs a questionnaire to measure anti-Arab oppression so she can test the participants' level of anti-Arab oppression before and after the intervention. She tests one version of her questionnaire with 45 statements and a shorter version with 12 statements. In both questionnaires, the participants respond to each statement with a rating on a 5-point Likert scale with 0 equaling "strongly disagree" and 4 equaling "strongly agree." The overall score for each participant is the mean of his or her ratings for the different statements on the questionnaire. Look at the following graphs. Graph I graphs the results from the long version, and Graph II graphs the results from the short version. Graph I Graph II PARTICIPANTS PARTICIPANTS 8 8 7 7 6 6 4 4 3 3 2 1 1 1 2 3 4 2 4 LONG QUESTIONNAIRE SCORE SHORT QUESTIONNAIRE SCORE Complete the following sentences by trusting your eyes to see meaningful differences in the two graphs. The range for Graph I is the range for Graph II. 2.
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