In order to reduce observer bias in an observational research design, a researcher might
A) set the alpha level prior to observing.
B) use field notes or brief reports to record data.
C) specify ahead of time who will be observed and for how long.
D) use a stratified random sample.

Question

Quizplus · Accepted Answer

Specifying ahead of time who will be observed and for how long helps reduce observer bias by providing clear guidelines and reducing subjective decision-making during the observation process.

In Order to Reduce Observer Bias in an Observational Research