You want to study the physical effects of caffeine. To recruit participants for your experiment you post a sign-up sheet for anyone willing to participate. This is an example of:
A)random selection
B)haphazard selection
C)stratified selection
D)type B selection

Question

Quizplus · Accepted Answer

Haphazard selection refers to a non-systematic approach to choosing participants, such as posting a sign-up sheet and allowing anyone interested to participate. This method does not ensure a representative sample and is based on convenience rather than random or strategic criteria.

You Want to Study the Physical Effects of Caffeine