What is the discrimination index?
a. A comparison of the scores of respondents by sex, race, or other personal characteristics
b. An index of how difficult each test item is
c. A comparison of high performer scores with low performer scores on each item
d. Cumulative results from an item analysis yielding an overall score for the test
c. A comparison of high performer scores with low performer scores on each item
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Keisha has inherited one recessive gene for the sickle-cell trait along with one normal dominant gene. As a result of this ________, she is resistant to malaria and does not have sickle-cell anemia
a. dominant-recessive inheritance b. incomplete dominance c. polygenic inheritance d. reaction range
After watching her father slide through pictures on his smartphone using his index finger, Laura, a 5-year- old, learns to use her finger to slide the screen on his smartphone. Laura acquired this behavior through ________
a. classical conditioning b. observational learning c. operant conditioning d. counterconditioning
Most people tend to use ________ methods when communicating about sex
a. indirect, nonverbal b. direct, verbal c. explicit, direct d. clear, physical
The term for heredity expressed as different phenotypes in different contexts or situations is ______.
A. genetic studies B. epigenetics C. range of reaction D. niche-picking