Single-group validity is very rare and is usually the result of _______
a. small sample sizes
b. methodological problems
c. both a and b
d. none of the above
c
You might also like to view...
Term life insurance tends to have higher premiums than other life insurance plans
Indicate whether the statement is true or false
Using a computer or playing a musical instrument can occur in the absence of obvious, tangible reinforcers, such as a food reward, because of the adaptive value of feedback
Indicate whether the statement is true or false
A good source of information about adolescence is anecdotal evidence
Indicate whether the statement is true or false.
School performance declines during the adolescent years. Research has shown that school achievement is linked with which of the following?
a. socioeconomic status c. puberty b. egocentrism d. family size