Cheng and Lam (2007) noted that some people think of themselves independently of

Question

Cheng and Lam (2007) noted that some people think of themselves independently of others (independent), whereas others think of themselves as being part of a larger group (interdependent). Also, people tend to evaluate themselves as being more positive when they compare themselves to others perceived to be below them (downward comparison), and they evaluate themselves as being less positive when they compare themselves to others perceived to be above them (upward comparison). To test whether there is a relationship between these two factors, the researchers computed a two-way between-subjects ANOVA. Participants rated their self-perception on a scale from 1 (negative) to 7 (positive). The following table describes the cell means at each level of the two factors. Independent Interdependent Upward 4.17 4.62 Downward 4.61 4.44 Graph the cell means. Is a possible interaction evident? Explain.

Explanation / Answer

a) Rows means are 4.395 , 4.525

and column means are 4.39 and 4.53

since SS_error or interaction = 0.0961 .which is not zero

hence there is interaction   

but p-value is very high ,hence it is not significant

independent Inter-dependnet Upward 4.17 4.62 Downward 4.61 4.44

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