Question

6. Presented below are the results from an SPSS analysis of the facial composite study as if it was conducted as a within-groups design, with 26 participants creating composites both alone and when paired with another participant. Again the researcher asks if the individually-created composites were rated significantly lower on similarity than those created by when working in pairs. Paired Samples Statistics Mean N Std. Deviation Std. Error Mean Pair 1 Paired 5.00 26 1.744 .342 Alone 4.23 26 1.531 .300 Paired Samples Correlations Significance Pair 1 Paired & Alone N Correlation One-Sided p Two-Sided p 26 .210 .152 .304 Paired Samples Test Paired Differences 95% Confidence Interval of the Significance Mean Std. Deviation Std. Error Mean Difference t df One-Sided p Two-Sided p Pair 1 Paired - Alone .769 2.065 .405 Lower Upper -.065 1.603 1.899 25 .035 .069 a) Appropriate test? b) $H_0$ c) $H_1$ d) Critical value(s)? (you'll need to look this up in the t-table: Table E.6 in the text) e) Reject or fail to reject the null hypothesis? f) Based on information provided in the SPSS output, provide a concluding statement which includes the APA formatted notation regarding the obtained t value (to two decimal places) and its significance (exact probability value, to three decimal places). See the Week 6 lecture presentation and the practice problems for wordings of the APA formatted concluding statement.

          6.
Presented below are the results from an SPSS analysis of the facial composite study as if
it was conducted as a within-groups design, with 26 participants creating composites both
alone and when paired with another participant. Again the researcher asks if the
individually-created composites were rated significantly lower on similarity than those
created by when working in pairs.
Paired Samples Statistics
Mean	N	Std. Deviation	Std. Error Mean
Pair 1	Paired	5.00	26	1.744	.342
	Alone	4.23	26	1.531	.300
Paired Samples Correlations
Significance
Pair 1	Paired & Alone	N	Correlation	One-Sided p	Two-Sided p
		26	.210	.152	.304
Paired Samples Test
Paired Differences			95% Confidence Interval of the	Significance
		Mean	Std. Deviation	Std. Error Mean	Difference		t	df	One-Sided p	Two-Sided p
Pair 1	Paired - Alone	.769	2.065	.405	Lower	Upper					
					-.065	1.603	1.899	25	.035	.069
a) Appropriate test?
b) $H_0$
c) $H_1$
d) Critical value(s)? (you'll need to look this up in the t-table: Table E.6 in the text)
e) Reject or fail to reject the null hypothesis?
f) Based on information provided in the SPSS output, provide a concluding statement
which includes the APA formatted notation regarding the obtained t value (to two
decimal places) and its significance (exact probability value, to three decimal
places). See the Week 6 lecture presentation and the practice problems for wordings of
the APA formatted concluding statement.

6.
Presented below are the results from an SPSS analysis of the facial composite study as if
it was conducted as a within-groups design, with 26 participants creating composites both
alone and when paired with another participant. Again the researcher asks if the
individually-created composites were rated significantly lower on similarity than those
created by when working in pairs.
Paired Samples Statistics
Mean N Std. Deviation Std. Error Mean
Pair 1 Paired 5.00 26 1.744 .342
Alone 4.23 26 1.531 .300
Paired Samples Correlations
Significance
Pair 1 Paired Alone N Correlation One-Sided p Two-Sided p
26 .210 .152 .304
Paired Samples Test
Paired Differences 95% Confidence Interval of the Significance
Mean Std. Deviation Std. Error Mean Difference t df One-Sided p Two-Sided p
Pair 1 Paired - Alone .769 2.065 .405 Lower Upper
-.065 1.603 1.899 25 .035 .069
a) Appropriate test?
b) H0
c) H1
d) Critical value(s)? (you'll need to look this up in the t-table: Table E.6 in the text)
e) Reject or fail to reject the null hypothesis?
f) Based on information provided in the SPSS output, provide a concluding statement
which includes the APA formatted notation regarding the obtained t value (to two
decimal places) and its significance (exact probability value, to three decimal
places). See the Week 6 lecture presentation and the practice problems for wordings of
the APA formatted concluding statement.

Added by Kayla M.

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