Statistics for the Behavioral Sciences
Second Edition
Learning Objectives
- Explain why a t distribution is associated with n – 1 degrees of freedom and describe the information that is conveyed by the t statistic.
- Calculate the degrees of freedom for a one–sample and a two–independent sample t test, and locate critical values in the t table.
- Identify the assumptions for the one-sample t test.
- Compute a one-sample t test and interpret the results.
- Compute effect size and proportion of variance for a one–sample t test.
- Identify the assumptions for the two–independent sample t test.
- Compute a two–independent sample t test and interpret the results.
- Compute effect size and proportion of variance for a two–independent sample t test.
- Summarize the results of a one–sample and a two–independent sample t test in APA format.
- Compute a one–sample and a two–independent sample t test using SPSS.