Sethi and Seligman (1993) examined the relationship between optimism and religious conservatism by interviewing over 600 subjects from a variety of religious organizations. We can regress Optimism on three variables dealing with religiosity. These are the influence of religion on their daily lives (RelInf), their involvement with religion (RelInvol), and their degree of religious hope (belief in an after-life) (RelHope). The results are shown as SPSS printout.

Looking at the preceding printout,
(a) Are we looking at a reliable relationship? How can you tell?
(b) What is the degree of relationship between Optimism and the three predictors?
(c) What would most likely change in your answers to (a) and (b) if we had a much smaller number of subjects?

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Model Summary Adjusted R Square Std. Error of the Estimate Model R Square 321 103 099 3.0432 a. Predictors: (Constant), relinvol, relinf, relhope ANOVAb Sum of Squares Mean Square Model df Sig. 211413 9.261 22828 00 l Regression Residual Total 5519.754 6153.993 596 599 a. Predictors (Constant), relirvol, relinf, relhope b. Dependent Variable: optimism Coefficients Unstandardized Standardized Coefficients Coefficents Model Std. Erro Beta Sig. lerance (Constant) relhope -1.895 428 512 102 107 116 -3.702 4.183 666 3 199 204 457 -033 -682 495 a Dependent Variable: optimism