When Victoria and her father solve puzzles together, they share an understanding of the goals of their activity and of their roles in solving the puzzles. Their relationship illustrates the concept of guided participation

Weber found that subjects could detect much smaller weight differences when they lifted the weights than when the weights were simply placed in their hands. He attributed this increased sensitivity to:?

a. ?kinesthesis b. ?the two-point threshold c. ?the method of adjustment d. ?unconscious inference

Which of these smokers exhibits an optimistic bias?

A) ?Jim overestimates the danger of smoking and believes he has a very high chance of developing a smoking-related disease before age 60. B) ?Loraine believes that smoking is not really dangerous and she has about the same risk for smoking-related diseases as other people have. C) ?Robbie overestimates the danger of smoking and believes that she has about the same risk for smoking-related diseases as do other people. D) ?Joe understands the danger of smoking but believes that his risk of getting a smoking-related disease is less than that of other smokers.