When we repeat a measurement on an individual or group of individuals and do not get the same score as the first time we did the measurement (assuming the characteristic being measured has not changed), a _____ error is present.
A) systematic
B) researcher
C) random
D) scaling
E) marginal

Question

Quizplus · Accepted Answer

This is an example of random error, which refers to the variability in measurements due to chance factors and can happen with any instrument or observer. Systematic error refers to consistent bias or inaccuracy in measurements, while researcher, scaling, and marginal errors are not relevant to this scenario.

When We Repeat a Measurement on an Individual or Group