Greg's parents are participating in a group that is helping them decrease the number of coercive interactions they have with Greg while increasing the number of positive interactions. This type of intervention is known as _________ training

The ability to perceive spatial relations is usually located in the left hemisphere of the brain

Indicate whether the statement is true or false

The positive effects of heroin ______

a. are immediate c. vary greatly from user to user b. take several minutes to develop d. take several hours to develop