Shyla conducted an experiment.She went to the student union and asked people if they would like to be subjects in her study.She decided to ask only those people who smiled at her.Is this an appropriate way to select subjects?
A) Yes-since these individuals smiled and are likely to be cooperative
B) Yes-the student union has a diverse group of people
C) No-it is not random selection
D) No-Shyla failed to assign her subjects to groups first

Question

Quizplus · Accepted Answer

Selecting subjects based on whether or not they smile at the researcher is not a random selection, which means there could be a bias in the sample. This could lead to inaccurate or unreliable results. To ensure the reliability and validity of the study, a random selection technique should be used.

Shyla Conducted an Experiment