A researcher is using a chi-square test to determine whether people have any preferences among three brands of televisions. The null hypothesis for this test would state that ______
a. there are real preferences in the population
b. one-third of the sample prefers each brand
c. one-third of the population prefers each brand
d. in the population, one brand is preferred over the other two
C
Psychology
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Darwin's Origin of Species was published
(a) in ancient Greece about 400 B.C. (b) about 200 years before Columbus discovered America, specifically in 1297 (c) about the same time that Marx published Das Kapital and the U.S. was entering the Civil War, specifically in 1859 (d) about the same time Watson and Crick discovered the structure of DNA, after World War II, specifically 1953
Psychology
Fathers are more likely than mothers to read to and play games like patty-cake with their babies
Indicate whether the statement is true or false
Psychology