Unit 9: The t test for Independent Means Download all videos in a zip file. Download mp4 videos, smaller format suitable for smartphones or computer Objectives and Lecture Notes Reading: Aron, Chapter 8 1. Conceptualize the rational and null hypotheses for a test based upon the distribution of differences between means as compared to previous analyses of difference scores. 2. Compute the pooled estimate of the population variance. 3. Compute the Standard Deviation of the differences between means. 4. Select the proper t distribution and use it to complete the hypothesis test for the differences between means. 5. Utilize SPSS to compare means of two groups using the t-test. 6. Review how the assumptions, effect size computations, and power estimates are applied to the t tests for independent samples. 7. Evaluate concerns where multiple t tests are used in a research report. 8. Describe the results of an independent t-test using APA style. Tutorials Mirror drawing with independent t test QA_independent_t tests

Download all videos in a zip file.

Download mp4 videos, smaller format suitable for smartphones or computer

1. Conceptualize the rational and null hypotheses for a test based upon the distribution of differences between means as compared to previous analyses of difference scores.

2. Compute the pooled estimate of the population variance.

3. Compute the Standard Deviation of the differences between means.

4. Select the proper t distribution and use it to complete the hypothesis test for the differences between means.

5. Utilize SPSS to compare means of two groups using the t-test.

6. Review how the assumptions, effect size computations, and power estimates are applied to the t tests for independent samples.

7. Evaluate concerns where multiple t tests are used in a research report.

8. Describe the results of an independent t-test using APA style.

Tutorials

Mirror drawing with independent t test

QA_independent_t tests