Using the data set “Reliability.sav”, perform the reliability analyses outlined below. The scales provided here include a depression scale (14 items, V1–V14), a life satisfaction scale (10 items, V15–V24), a reasons-a-personretired scale (10 items, V25–V34), a scale with regard to good things about retirement (8 items, V35–V42), and a scale with regard to bad things about retirement (6 items, V43–V48). For your assignment (be sure to do an ocular analysis of all items first, checking for outliers, missing data, etc., before jumping into the reliability analyses):

1. Perform alpha, split-half, and parallel forms reliability analyses for each of the five scales. How do the three different types of reliability compare for each scale listed above? Is one form of reliability more appropriate than another? Discuss for each scale.

2. Using alpha reliability, with item and scale information, what items should be included in the final versions of each scale in order to maximize the alpha reliability for that scale?

3. For the life satisfaction and depression scales, determine if the alpha reliabilities are different for men and women (SEX). If yes, any guesses why?