A researcher conducts a standard multiple regression analysis to predict alcohol addiction as a function of the following predictors: loneliness (sr squared = .04), employment status (sr squared = .16), and self-efficacy (sr squared = .25). If there is no shared variance, the partial correlation squared for self-efficacy would be:

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A researcher conducts a standard multiple regression analysis to predict alcohol addiction as a function of the following predictors: loneliness (sr squared = .04), employment status (sr squared = .16), and self-efficacy (sr squared = .25). If there is no shared variance, the partial correlation squared for self-efficacy would be: 

 

  a.

.556 (i.e., .25 / .45)

  b.

.50 (i.e., squareroot(.25)).

  c.

.454 (i.e., .25 / .55)

  d.

.313 (i.e., .25 / .80)

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