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Analyze data in SPSS using a dependent samples t-test • Imagine that we are interested in the difference in heart rate pre and post doing 30 seconds of jumping jacks. How might we test this question? (basic research design) Do the 4 steps of hypothesis testing (use the SPSS output sent): Step 1: • Write null hypothesis • Write research hypothesis Step 2:• Use a two-tailed test with alpha set to  = .05** • what is the critical region? Step 3: • what is the p-value? • what is the t-statistic? Step 4: • determine whether results are statistically significant • what do you conclude in general?

Analyze data in SPSS using a dependent samples t-test • Imagine that we are interested in the difference in heart rate pre and post doing 30 seconds of jumping jacks. How might we test this question? (basic research design) Do the 4 steps of hypothesis testing (use the SPSS output sent): Step 1: • Write null hypothesis • Write research hypothesis Step 2:• Use a two-tailed test with alpha set to  = .05** • what is the critical region? Step 3: • what is the p-value? • what is the t-statistic? Step 4: • determine whether results are statistically significant • what do you conclude in general?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Analyze data in SPSS using a dependent samples t-test

• Imagine that we are interested in the difference in heart rate pre and post doing 30 seconds of jumping jacks. How might we test this question? (basic research design)

Do the 4 steps of hypothesis testing (use the SPSS output sent):

Step 1:

• Write null hypothesis

• Write research hypothesis

Step 2:• Use a two-tailed test with alpha set to  = .05**

• what is the critical region?

Step 3:

• what is the p-value?

• what is the t-statistic?

Step 4:

• determine whether results are statistically significant

• what do you conclude in general?

Page < of 2 ZOOM + Paired Samples Test Paired Differences 95% Confidence Interval of the Difference Mean Std. Deviation St. Error Mean Lower Upper Pair 1 pre - post -23.50000 13.61780 2.57352 -28.78043 -18.21957 Paired Samples Test t df Sig. (2-tailed) Pair 1 pre - post -9.131 27 .000
Transcribed Image Text:Page < of 2 ZOOM + Paired Samples Test Paired Differences 95% Confidence Interval of the Difference Mean Std. Deviation St. Error Mean Lower Upper Pair 1 pre - post -23.50000 13.61780 2.57352 -28.78043 -18.21957 Paired Samples Test t df Sig. (2-tailed) Pair 1 pre - post -9.131 27 .000
Page < > of 2 ZOOM + T-TEST PAIRS=pre WITH post (PAIRED) /CRITERIACI(. 9500) /MISSING-ANAL YSIS. T-Test Notes Output Created 13-NOV-2019 18:57:07 Comments Input Active Dataset DataSeto Filter <none> Weight <none> Split File <none> N of Rows in Working Data 28 File Missing Value Handling Definiton of Missing User defned missing values are treated as missing. Cases Used Satistics for each analysis are based on the cases with no missing or out-of- range data for any variable in the analysis. T-TEST PAIRS-pre WITH post (PAIRE D) ICRITERIA-CI(.9500) IMISSING=ANALYSIS. Syntax Processor Time Elapsed Time Resources 00:00:00.02 00:00:00.01 Paired Samples Statistics Mean Std. Deviation Std. Error Mean Pair 1 pre 61.9286 28 9.21725 1.74190 post 85.4286 28 14.48992 2.73834 Paired Samples Correlations Correlation Sig. Pair 1 pre & post 28 .410 .030
Transcribed Image Text:Page < > of 2 ZOOM + T-TEST PAIRS=pre WITH post (PAIRED) /CRITERIACI(. 9500) /MISSING-ANAL YSIS. T-Test Notes Output Created 13-NOV-2019 18:57:07 Comments Input Active Dataset DataSeto Filter <none> Weight <none> Split File <none> N of Rows in Working Data 28 File Missing Value Handling Definiton of Missing User defned missing values are treated as missing. Cases Used Satistics for each analysis are based on the cases with no missing or out-of- range data for any variable in the analysis. T-TEST PAIRS-pre WITH post (PAIRE D) ICRITERIA-CI(.9500) IMISSING=ANALYSIS. Syntax Processor Time Elapsed Time Resources 00:00:00.02 00:00:00.01 Paired Samples Statistics Mean Std. Deviation Std. Error Mean Pair 1 pre 61.9286 28 9.21725 1.74190 post 85.4286 28 14.48992 2.73834 Paired Samples Correlations Correlation Sig. Pair 1 pre & post 28 .410 .030
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