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COMPLETION QUESTIONS Observational

question 22

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COMPLETION QUESTIONS
Observational
Trace Analysis
Receipt Analysis
Mystery Shopping
Survey
Focus Group
Critical Incident Technique
Moment of Truth Impact Analysis
Service Quality Information System
-___________ is an unobtrusive data-gathering method that relies on people posing as shoppers to observe and collect information about an organization's service performance.


Definitions:

Systematic Variance

The part of variance in a set of data that is attributable to identified sources or factors, as opposed to random or error variance.

Error Variance

Random variability in a set of scores that is not the result of the independent variable. Statistically, the variability of each score from its group mean.

Between-Groups Variance

captures the differences in means across different groups in an experiment, reflecting how much group members vary from each other overall.

Within-Group Variance

The variation of observations within a single group or category, measuring how much individual scores differ from the mean of that group.

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