Author Question: If you have no other information about how likely it is that a randomly chosen person will have red ... (Read 64 times)

charchew · **on:** Jun 20, 2018

If you have no other information about how likely it is that a randomly chosen person will have red hair, your best guess is that there is a 1-2 percent chance, because that is the percentage of the human population that has read hair.

This advice relies on which of the following?
a) The base rate for red hai
b) The gambler's fallacy
c) The red hair stereotype
d) The representativeness heuristic

Question 2

Imagine that you are conducting a study involving adolescents who live in a residential facility. You randomize some residents to receive information about nutrition and healthy eating. The other residents do not receive this information.

Which of the following may threaten the internal validity of your results?
a) Diffusion of treatmen
b) Reactive measures
c) Nonreactive measures
d) Statistical regression