Which of the following was not one of the major categories recognized in the booklet on Standards for Educational and Psychological Testing?

In general, typical antipsychotic drugs work by:

A) inhibiting the reuptake process of serotonin. B) increasing the amount of acetylcholine in the brain. C) blocking dopamine receptors in the brain. D) inhibiting the function of the hypothalamus.

MSerror is the variability among group means

Indicate whether the statement is true or false