Paired Samples Test Paired Differences 95% Confidence Interval of the Std. Deviation Std. Error Mean Difference Lower Sig. (2-tailed) Mean Upper df Misbehaved - Normal Pair 6.2500 4.8033 1.6982 10.2656 .008 2.2344 3.680 Lecture Anxiety levels were significantly higher in lectures in which students misbehaved. There were no significant differences between anxiety levels in normal behavior lectures and in those in which students misbehaved. Anxiety levels were significantly lower in lectures in which students misbehaved. We can't tell any of the above from the output given.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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A researcher was interested in stress levels of lecturers during lecturers. She took the same group of 8 lecturers and measured their anxiety (out of 15) during a normal lecture and again in a lecture in which she had paid students to be disruptive and misbehave. Based on the SPSS output how would you interpret these results?

Misbehaved Mean = 12.75

Normal Behavior Mean = 6.5

 

Paired Samples Test
Paired Differences
95% Confidence
Interval of the
Std.
Deviation
Std. Error
Mean
Difference
Lower
Sig.
(2-tailed)
Mean
Upper
df
Misbehaved - Normal
Pair
6.2500
4.8033
1.6982
10.2656
.008
2.2344
3.680
Lecture
Anxiety levels were significantly higher in lectures in which students misbehaved.
There were no significant differences between anxiety levels in normal behavior lectures and in those in which students misbehaved.
Anxiety levels were significantly lower in lectures in which students misbehaved.
We can't tell any of the above from the output given.
Transcribed Image Text:Paired Samples Test Paired Differences 95% Confidence Interval of the Std. Deviation Std. Error Mean Difference Lower Sig. (2-tailed) Mean Upper df Misbehaved - Normal Pair 6.2500 4.8033 1.6982 10.2656 .008 2.2344 3.680 Lecture Anxiety levels were significantly higher in lectures in which students misbehaved. There were no significant differences between anxiety levels in normal behavior lectures and in those in which students misbehaved. Anxiety levels were significantly lower in lectures in which students misbehaved. We can't tell any of the above from the output given.
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