Which of the Following Is Not True of Cognitive Ability's

Which of the following is not true of cognitive ability's impact on task performance and organizational commitment?

A) An increased amount of job knowledge helps an employee complete job tasks.
B) Cognitive ability tends to be more strongly correlated with task performance than citizenship behaviour or counterproductive behaviour.
C) People may do poorly on a test of general cognitive ability for reasons other than a lack of cognitive ability.
D) Research has not supported a significant linkage between cognitive ability and organizational commitment.
E) Knowing how smart an employee is tells us a lot about the likelihood that he or she will remain a member of the organization.