Question

a busy social life has been found to increase happiness in participants who are experincing low levels of stress, but decrease happoiness in participants who are experiencing high levels of stress .what is this an example of? a)moderation b)mediation c)neither moderation nor mediation d)semi partial correlation

2)what is the sobel test used for? A) To acssess the significant of the direct effect in moderation analysis .B) To assess the significant in mediation. C) to assess the significant of the interaction effect in moderation analysis. D)to assess the significant of he indiect effect in mediation analysis

Answer 1

1) Moderation is when the outcome of two variables depends on that of a third variable. It is a way to check whether that third variable influences the strength or direction of the relationship between an independent and dependent variable. An easy way to remember this is that the moderator variable might change the strength of a relationship from strong to moderate, to nothing at all.

So, the correct answer is a) moderation

2) In statistics, the Sobel test is a method of testing the significance of a mediation effect.The Sobel test is basically a specialized t test that provides a method to determine whether the reduction in the effect of the independent variable, after including the mediator in the model, is a significant reduction and therefore whether the mediation effect is statistically significant.

So, the correct answer is d) to assess the significance of the indirect effect in mediation analysis.

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