'Psychology east carolina university' presentation slideshows

The ? 2 Distribution

The ? 2 Distribution. Karl L. Wuensch Department of Psychology East Carolina University. ? 2 on 1 df. From a normally distribution population, draw one score. Compute Record that z 2. Repeat this process an uncountably large number of times.

697 views • 59 slides

Two Sample t Tests

Two Sample t Tests. Karl L. Wuensch Department of Psychology East Carolina University. The Desire. We wish to investigate the relationship between a dichotomous variable and a normally distributed variable. We have two groups of scores.

588 views • 47 slides

Factor Analysis with SPSS

Factor Analysis with SPSS. Karl L. Wuensch Dept. of Psychology East Carolina University. What is a Common Factor?. It is an abstraction, a hypothetical construct that relates to at least two of our measurement variables.

1.36k views • 41 slides

Principal Components Analysis with SAS

Principal Components Analysis with SAS. Karl L. Wuensch Dept of Psychology East Carolina University. When to Use PCA. You have a set of p continuous variables. You want to repackage their variance into m components. You will usually want m to be < p , but not always.

826 views • 41 slides

Loglinear Contingency Table Analysis

Loglinear Contingency Table Analysis. Karl L. Wuensch Dept of Psychology East Carolina University. The Data. Weight Cases by Freq. Crosstabs. Cell Statistics. LR Chi-Square. Model Selection Loglinear. HILOGLINEAR happy(1 2) marital(1 3) /CRITERIA ITERATION(20) DELTA(0)

592 views • 28 slides

Structural Equation Modeling

597 views • 24 slides

Kurtosis

Kurtosis. Karl L. Wuensch Department of Psychology East Carolina University. What is Kurtosis?. It is the extent to which scores are dispersed away from the shoulders of a distribution The shoulders are the points where Z 2 = 1, that is, Z = ? 1.

1.2k views • 14 slides