This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: ← ← for dependent: t = observed D – Mu of D ← standard dev of D/square root of N ← ← effect size: r = SQUARE ROOT(t 2 – (t 2 + df)) know for test ← ← Dependent Ttest in SPSS ← Analyze compared means paired sample Ttest ← move both variables over ← if onetailed, divide significance by 2 ← if significant, groups are different • look at means to see which is higher • if t is negative, means the second condition is higher • if t is positive, the first condition is higher ← ← “there is a significant difference in ______ and _____ such that it is higher in _____ condition” ←...
View
Full Document
 Spring '08
 Hoffman
 Statistics, Normal Distribution, Spss, Student's ttest, samples ttest Dependent, test Dependent Ttest

Click to edit the document details