Jacki trains lifeguards on how to perform CPR. Although the lifeguards appear to have mastered the procedure, Jacki continues to have them practice CPR once a week so that it becomes second nature to them. Jacki is encouraging the process of:

Which of the following statements about controversial and neglected children is true?

A) Controversial children display a blend of positive and negative social behaviors. B) Neglected children report feeling lonely and unhappy. C) Controversial children have few friends and are unhappy with their peer relationships. D) Neglected children are as socially maladjusted as rejected children.

Heritability is a statistical estimate of the proportion of the total variance in some trait that is attributable to genetic differences among individuals within a group

Indicate whether this statement is true or false.