You know that in general, men and women each represent roughly 50 of the population, yet
you notice in many of your psychology classes, there are many more women than men. What
nonparametric test would allow you to test this observation?
A) chi-square test for more two nominal variables
B) chi-square test for two levels of a single nominal variable
C) chi-square test for more than two levels of a single nominal variable
D) t test for correlated samples
Question 2
Sharon is examining the influence of different types of advertisements on people's willingness to
spend money.
A single group of 50 participants view a series of television advertisements and
after each one, Sharon gives them the Buyers Inclination Survey. Her results show ads with
talking animals are the most effective. Later, another researcher tests the same series of
advertisements, but uses 5 groups of 10 participants, where each group only views one
advertisement and then completes the survey. This second study finds talking animals were least
effective. What threat to internal offers the best explanation for these contradictory findings?
A) multiple-treatment interference B) interaction of selection and treatment
C) interaction of testing and treatment D) reactive arrangements
Animal extinctions and human population growth.
Interior nodes represent common ancestors
General representation of the autonomic nervous system.
A general scheme for adding one amino acid in solid-phase peptide synthesis
Women dine out