Joanne and Carole are conducting a systematic observation study on children's aggressive playground behaviour.Joanne concludes that boys display more aggressive behaviours than do girls.Carole concludes the opposite.Based on these conclusions,which methodological issue would be of most concern in this study?
A) Reactivity
B) Sampling bias
C) Validity
D) Reliability

Question

Quizplus · Accepted Answer

The discrepancy in conclusions between Joanne and Carole suggests a reliability issue, as their observations or methods of interpreting aggressive behavior are not consistent or stable across observers. Reliability refers to the consistency of a measure or observation, and in this case, the lack of agreement on who displays more aggressive behavior indicates a problem with the reliability of their observations or methods.

Joanne and Carole Are Conducting a Systematic Observation Study on Children's