Which of the following is an example of point prevalence?
A. Fifty people had panic attacks in the last year.
B. Eighty people in one graduating class were diagnosed with bulimia at some time during the past four years.
C. Fifteen percent of the population is currently experiencing symptoms of anxiety.
D. Twelve percent of women will suffer from depressive disorder before the age of 30.
Answer: C
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During the menstrual cycle, estradiol and progesterone levels increase and decrease under the influence of hormones released by which gland?
a. pineal b. adrenal c. thyroid d. pituitary
Why was Descartes' hydraulic model of brain function an important step in modern understanding of the brain?
A. This model correctly marked the pineal gland as the "seat of the soul." B. This model correctly stated that muscles were inflated with liquid, which led to movement. C. This model predicted the existence of encased nerve cells. D. This model was a first attempt at providing a physical explanation for behavior.
Imagine that you conducted a single-sample t test with 8 participants. For a two-tailed test, the tcv at a = 0.05 would be
a. ±1.796. b. ±2.365. c. ±2.179. d. ±2.201.
According to our textbook, Ong and Weiss (2000) studied cheating behavior using which of the following research
a. experimental research b. nonexperimental research c. converging research d. none of the above