When a scale delivers consistent results over time, it has __________
a. validity
b. reliability
c. statistical significance
d. convergent validity
Answer: B: reliability
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Hypotheses for within-subjects designs are stated for just one condition in the study.
Answer the following statement true (T) or false (F)
Nicotine is classified as a(n):
a. opiate c. stimulant b. hallucinogen d. depressant
Kenneth and Mamie Clark conducted research on the negative effects of ______________ on African American children
a. intelligence testing c. school segregation b. extra-curricular activities d. music instruction
Which of the following is one of the five pillars of Islam?
a. Weekly prayers in homage to Muhammad b. Profession of faith to the five Islamic gods c. Giving money or material goods to the poor d. Pilgrimage to Medina