A Major Retailer Uses Shoppers to Observe and Record Sales

question 50

Multiple Choice

A major retailer uses shoppers to observe and record sales clerks' assistance,courtesy,and efficiency.This is an example of what type of observational research?

• A)Covert observational research
• B)Structured observational research
• C)Invented observational research
• D)Direct observational research

---

Definitions:

Indicators

Variables or metrics used to assess a specific aspect or condition within a study or analysis.

Durbin-Watson Statistic

A test statistic used to detect the presence of autocorrelation at lag 1 in the residuals from a regression analysis.

Multicollinearity

A statistical phenomenon in which two or more predictor variables in a multiple regression model are highly correlated, making it difficult to distinguish their individual effects.

Sampling Variability

The natural variation in sample statistics from one sample to another if the experiment or survey were repeated under the same conditions.