3. Researchers wanted to know whether parent involvement has an effect on students' tests scores in middle school. They had two groups of students - one with highly involved parents, and one who had parents that were not involved. After performing the appropriate analysis in SPSS the researchers got the following results: Group Statistics parental involvement Std. Deviation Std. Error Mean 4 404 Mean Score involvement 7. 82.329 11.652 on testi no 71.000 8.200 2.899 involvement Independent Samples Test Levene's Test for Equality of Variances 1test for Equality of Means 95% Confidence Confval of the Mean Sig (2-tailed) Diference Std Error Difference Mean df Lower Upper Equal variances assumed Score DIS on test1 847 374 2.201 13 046 11.329 5146 211 22446 Equal variances 2149 10.618 056 11.329 5.273 -327 22 984 not assumed a. What test was performed? b. Is the homogeneity of variance assumption met? c. Report results in APA style

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3. Researchers wanted to know whether parent involvement has an effect on students'
tests scores in middle school. They had two groups of students one with highly
involved parents, and one who had parents that were not involved. After performing
the appropriate analysis in SPSS the researchers got the following results:
Group Statistics
parental
involvement
Std.
Deviation
11.652
Std. Error.
Mean
4 404
N.
Мean
82.329
involverment
Score
on test1
no
involvement
71.000
8.200
2.899
Independent Samples Test
Levene's Test for
Equality of Variances
1 test for Equality of Means
Sig.
(2-tailed)
Mean
Dference
Std Error
Oifference
95% Confidence
Confval of the Mean
Upper
Sig
df
Lower
Equal
variances
assumed
score
on test1
847
374
2 201
13
046
11.329
5146
211
22 446
Equal
varlances
not
assumed
2149
10.618
056
11.329
5273
-327
22 984
a. What test was performed?
b. Is the homogeneity of variance assumption met?
c. Report results in APA style
d. Are the results significant?
e. What do the results mean? (i.e. last part of interpretation)
Transcribed Image Text:3. Researchers wanted to know whether parent involvement has an effect on students' tests scores in middle school. They had two groups of students one with highly involved parents, and one who had parents that were not involved. After performing the appropriate analysis in SPSS the researchers got the following results: Group Statistics parental involvement Std. Deviation 11.652 Std. Error. Mean 4 404 N. Мean 82.329 involverment Score on test1 no involvement 71.000 8.200 2.899 Independent Samples Test Levene's Test for Equality of Variances 1 test for Equality of Means Sig. (2-tailed) Mean Dference Std Error Oifference 95% Confidence Confval of the Mean Upper Sig df Lower Equal variances assumed score on test1 847 374 2 201 13 046 11.329 5146 211 22 446 Equal varlances not assumed 2149 10.618 056 11.329 5273 -327 22 984 a. What test was performed? b. Is the homogeneity of variance assumption met? c. Report results in APA style d. Are the results significant? e. What do the results mean? (i.e. last part of interpretation)
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