Author Question: A power analysis is often used to determine a. the number of participants needed for a study b. ... (Read 31 times)

robinn137 · **on:** Jul 13, 2018

A power analysis is often used to determine

a. the number of participants needed for a study
b. the likelihood of making a Type I error
c. the strength of the independent variable
d. whether to reject the null hypothesis
e. the alpha-level

Question 2

The concept of race is controversial scientifically because

a. the social history of the races has always been troublesome.
b. the genetic differences between some races is larger than it is between other races.
c. depending on the categorization process used, an individual could be placed in different racial categories.
d. scientists have not been able to determine exactly where the different races fall on the racial continuum.