An unexpected phenomenon suddenly affects the presumed cause-effect relationship during a study. According to the notes, this is most closely associated with:
A.Controlled variable
B.Intervening variable
C.Categorical variable
D.Criterion variable
Correct Answer:
B. Intervening variable
An intervening variable can unexpectedly affect the relationship.
A teacher asks, โIn no more than 150 words, explain two causes of water pollution and describe one consequence of each.โ The item is best classified as: