Katie is conducting a within subjects design. Her independent variable has 2 levels that must occur 1 week apart. In the first s
ession during the first week, Katie has 120 participants. However, a week later when the second session occurs, Katie only has 85 participants show up for the study. What disadvantage to within subject designs is Katie encountering
Attrition in research is said to be when individuals or participants abort or stop his/her involvement during a research study. It almost always happens to some extent. participants leaves a research study due to certain factors or circumstances usually beyond their control. when participant of a research leaves or remove his/herself from an experiment, it sometimes can make the study to be aborted, findings experience difficulties and slowing down of research study.
