Individuals of ______________ descent are most likely to have sickle-cell anemia

Stepfamilies may have boundary problems because

a. Children may belong to two families. b. Such families keep their boundaries permeable. c. Remarriage families try to establish their own stable lifestyle. d. Children reject the nonresidential parent.

An advantage of algorithms over heuristics is that:

a) algorithms are less cognitively demanding than heuristics are. b) algorithms are faster to use than heuristics are. c) algorithms take advantage of convenient mental sets. d) algorithms guarantee a correct solution.