If we examine how often people clean their homes and how content they are with their homes, the relationship might be distorted if we only include people who clean once or twice a year. This type of distortion is called _____

Some research suggests that all of the following EXCEPT ________ are related to neurological differences which may be present at birth or develop soon after

a. extroversion b. criminal potential c. neuroticism d. impulsivity

A discrete variable requires nominal or interval scaling

Indicate whether the statement is true or false