An individual who is sexually, romantically, or emotionally attracted to members of either sex is:

Jenna is an American adolescent who belongs to an extremely poor family. Research indicates that she is likely to:

A) join school activities because they are free. B) struggle for a sense of identity. C) get involved in high status activities in order to make friends. D) all of the above

In infants who have experienced birth trauma,

A) sleep behavior is organized and patterned. B) disturbed REM–NREM sleep cycles are often present. C) REM sleep is filled with vivid dreams. D) sleep–wake cycles are affected more by darkness–light than by fullness–hunger.