According to schlegel and barry (1991), how frequently do most adolescents in traditional cultures have contact with their grandparents?

You think all professors are uncoordinated, but then you see your social psychology professor make a diving catch down the left-field line at an intramural softball game against the arts department team. you also notice that your professor hits lead-off for the team and is able to score from second base on a ground-out. you maintain your original stereotype of professors as uncoordinated by deciding that this one individual is an exception to the rule because he is a “young professor.” this is an example of

What was different about warfare in the early 1800s and early 1900s?

Which type of learning occurs when you observe how other people act?