Melanie's mother promises her ice cream if she cleans her room. If Melanie finds ice cream to be reinforcing, then she should be likely to clean her room in the future.

i disagree that there is little difference between adult female development and adult male development. sociological studies comparing female and male pathways to adulthood, revelead that there are sustancial differences between them. particularly, female and male differ from timing of marriage, when they began to live with children and the likelihood of combining wife/husband and parent roles.