Rori Is Observing Elite Marching Bands as Part of Her

Multiple Choice

Rori is observing elite marching bands as part of her dissertation study.She is particularly interested in drum major leadership styles and behavior.She has found that the drum major at her current research site is very interested in showing off for her.This is an example of

A) response bias.
B) researcher bias.
C) sampling bias.
D) instrumentation bias.