Russ Has Been on Time for Work All Year, Consistently

question 91

Multiple Choice

Russ has been on time for work all year, consistently going above and beyond his duties. However, in the month before his performance appraisal, he had the flu and his whole family became sick, causing him to frequently be absent and exhibit lower-than-normal performance. As a result, his annual performance appraisal was somewhat negative. It is likely that Russ's boss committed which of the following perceptual errors?

• A) impression management
• B) self-fulfilling prophecy
• C) recency effect
• D) primacy effect

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Definitions:

Matched Pairs

A study design in which subjects are paired based on certain characteristics, with one subject in each pair receiving each treatment.

Wilcoxon Signed Rank Test

A statistical hypothesis test that doesn't rely on parameter-based assumptions, designed to evaluate whether there's a difference in the population mean ranks of two related samples, matched samples, or repeated measurements on the same sample.

Wilcoxon Signed Rank Test

A statistical analysis method void of parametric requirements, designed to assess whether two associated samples, matched pairs, or recurrent measurements on an individual sample exhibit differences in their mean rank in the population.

Rank Sums

A non-parametric statistical measure used to compare the distributions of two independent samples by ranking all observations together and then summing ranks for observations belonging to each sample.