The hygiene hypothesis states that modern children are overprotected from viruses and bacteria, which does not allow their immune systems to strengthen.
a. true
b. false
Ans: a. true
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If you square the correlational coefficient, you will get a number telling the
a. percent of variance accounted for by the correlation. b. standard deviations accounted for by the correlation. c. statistical significance of the measure. d. amount of causation between the two variables.
When is sexual abuse most likely to be reported?
A. infancy B. early childhood C. middle childhood D. adolescence
The most common psychological problem suffered by adolescents is
A) alcoholism. B) attention deficit hyperactivity disorder. C) depression. D) panic disorder.
What is the primary purpose of accessory glands?
a. to produce semen b. to secret the alkaline fluid which protects sperm by neutralizing the acidity of the vagina c. to transport sperm out of the body d. to nourish and develop sperm