Most German babies show insecure attachments to their mothers due to the cultural belief that babies should be left on their own for a few hours at a stretch in order to develop self-reliance

Twin studies are a kind of a

a. peer-review. b. microsystem. c. causation. d. natural experiment.

Research has found that university students are not surprised when a person engages in negative (as opposed to positive) body talk. This suggests that:

a) University students are cynical b) University students have low self-esteem c) Fat talk has become normalized d) People are realistic – we are more likely to complain about our bodies than embrace them