Events occurring during the time of the study that are unrelated to the treatment or independent variables are known as ______.
A) instrumentation
B) statistical regression
C) history
D) maturation

Question

Quizplus · Accepted Answer

History refers to events that occur during the study that are completely unrelated to the independent variable, treatment or experimental manipulation, and may affect the outcome of the study. Examples of historical events might include natural disasters or major political events. Instrumentation refers to changes in the measuring instrument or other measurement procedures that may affect the way data is collected, and maturation refers to changes in participants over time that may affect the outcome of the study. Statistical regression refers to the phenomenon where participants who score extremely high or low on a measure tend to have less extreme scores when the measure is repeated.

Events Occurring During the Time of the Study That Are