If 8 out of 10 students in the upper group and 2 out of 10 students in the lower group answer an item correctly, then the difficulty and discriminating power of the item would be
A. 50%, .60.
B. 50%, .80.
C. 60%, .60.
D. 60%, .80.
A
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An advantage of being breastfed for an infant is that
A. breast milk contains antibodies from the mother that can help fight off infections. B. infants who are born to mothers who are HIV-positive can better fight off the disease. C. breastfeeding is associated with higher scores on intelligence tests in childhood. D. the infant gains more weight more quickly than bottle fed infants.
Power of expression includes communicative ability, the conveyance of thought and meaning, and:
a. insincerity b. emphasis c. hesitancy d. All of these answers are correct.
It is important to apply understanding of referents of measurement to estimation and problem solving
Indicate whether the statement is true or false
When renegotiating your salary, it is a good idea to discuss the salaries of your fellow employees.
Answer the following statement true (T) or false (F)