Dr. McCormick develops and administers a measure of spice perception. Ultimately, he would like one spice perception score per participant. What should he do before combining all of the items on his measure into
a single score per participant, and why?
a. Reverse-score half of the items, and conduct a split-half reliability assessment.
b. Calculate Cronbach’s alpha to make sure the measure has high convergent construct validity.
c. Calculate Cronbach’s alpha to make sure the measure has high internal consistency.
d. Conduct an alternate-forms assessment to make sure he has high discriminant construct validity.
Ans: C
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Which of the following is TRUE regarding yoga?
a. There is no empirical research to show the effectiveness of yoga as a treatment for chronic illness. b. Jnana yoga is the most common form of yoga in North America. c. Yoga derived from Hinduism and Buddhism. d. Yoga originated in California.
Spontaneous recovery occurs after __________ has been achieved
Fill in the blanks with correct word
During which stage do the cells of the developing organism begin to separate into the ectoderm, mesoderm, and endoderm?
A. Fertilized egg B. Zygote C. Embryo D. Fetus
Suppose you collect data about child abuse and find that mothers who have their first child before age 18 are more likely to be abusive than mothers who are older
However, you also note that young mothers are also more likely to be poor and have less access to prenatal care. Therefore, you cannot draw conclusions about maternal age and child abuse. The reason you cannot draw this conclusion is because your study involved: a. a sequential-cohort design b. a nonrandom sample c. a nonrepresentative sample d. confounding