African Americans are the fastest growing segment of the population

In the Luo et al. study reportedin the article on object permanence, Now You See It, Now You Don't, the

dependent variable was (a) the size of the block in the apparatus (b) the removal of the block from the apparatus (c) the length of time subjects looked at the apparatus (d) the speed at which the cylinder moved behind the apparatus

The development of prosocial reasoning is influenced by

A) the culture in which a child is raised. B) the way in which a request for help is framed. C) the quality of the parental relationship. D) all of the above.