Cronbach’s alpha is a measure of the ______ of a survey.

In middle childhood, knowledge acquisition is positively related to improvement in memory.

a. true b. false

In the Strange Situation Test, a 15-month-old child is upset and anxious when her mother leaves the room. When her mother returns, she cannot be comforted and shows anger, but also a desire for contact with her mother

The child is most likely to be categorized as a. insecurely attached-avoidant. b. insecurely attached-anxious/ambivalent. c. insecurely attached-disorganized. d. securely attached.