HR Research & Evidence-Based Practice 3

Question 1

An HR analyst uses a regression model to predict employee turnover. A high R-squared value indicates:

Accepted Answer

A large proportion of variance in turnover is explained by the predictor variables

Answer

R-squared represents the proportion of variance in the outcome variable explained by the predictors in a regression model.

Question 2

Which sampling method would best ensure that survey responses represent all departments in a large tech company?

Accepted Answer

Stratified random sampling by department

Answer

Stratified random sampling divides the population into departments and randomly samples within each, ensuring proportional representation.

Question 3

The practice of 'HARKing' in research refers to:

Accepted Answer

Hypothesizing After Results are Known, presenting post-hoc findings as a priori

Answer

HARKing (Hypothesizing After Results are Known) is a questionable research practice where analysts form hypotheses after seeing data, inflating false-positive rates.

Question 4

A company is evaluating two performance management software platforms. Which evaluation approach most effectively reduces selection bias?

Accepted Answer

Conducting a blind pilot where evaluators don't know which platform they're rating

Answer

Blind evaluation prevents evaluators from being influenced by brand reputation or expectations, reducing selection bias.

Question 5

In the context of HR research, what does 'reliability' refer to?

Accepted Answer

The consistency of a measurement tool across repeated administrations

Answer

Reliability refers to the consistency and repeatability of a measurement — a reliable tool produces similar results under similar conditions.

HR - Software Practice Test

HR - Software Practice Test

HR Research & Evidence-Based Practice 3