Infants who are securely attached tend to have caregivers who are

In Harlow’s surrogate mothers experiment, the hunger drive was more salient than the drive for comfort

Ethological theory suggests that infants are biologically programmed for attachment.

A good index as to whether an infant has established an attachment with a specific adult would be if the infant were to

Infants are more inclined to form a secure attachment if parents are in a happy marriage.

Freida (18 months) and her mother are visiting at a friend's house. When Freida's mother and her friend go into the kitchen for tea, Freida appears undisturbed. Twenty minutes later her mother emerges from the kitchen and tries to pick Freida up. Freida is unresponsive and wants to get down. When put down, Freida ignores her mother and wanders around playing with toys. This best demonstrates which sort of attachment relationship?

Susan and her mother are participating in the "Strange Situation." When Susan's mother returns to the room, Susan acts resentful but moves closer, staying near until Mom tries to hug her. Susan's attachment classification is most likely

One-year-old Julie, who is playing with her toy, happens to notice her mother leaving the room. Julie becomes upset and whimpers but soon resumes playing. Five minutes later, Julie smiles and willingly accepts a hug when her mother reenters the room, and then ventures away from mom to play with a distant object. Julie's attachment appears to be

In the "Strange Situation" procedure, researchers pay particular attention to