According to Marcia, which of the following four categories of identity development leads to the most psychological health, achievement motivation, and moral reasoning ability in adolescents?

Which of the following represents the foundation of modern attachment research?

A) ethological theory B) Harlow's infant experiments C) the Strange Situation D) social referencing

According to the article Attachment in Separation concerning divorced or separated mothers' interactions with their children, the main study by Kier & Lewis combined all the non-secure attachment groups to make a new group, called anxious

attachment. This kind of after-the-fact recombination should be done: (a) when findings are otherwise not statistically significant (b) when groups are very large before combination (c) when there is a clear logic for the combination (d) all of the above [a, b, and c] are good reasons for recombination