An executive's company requires her to engage in a lot of long-distance travel. At first, after a long trip she would experience fatigue, uncontrollable sleepiness, and a disruption of her sleep-wake schedule that would continue for days
She probably was experiencing
a. narcolepsy.
b. jet lag.
c. insomnia.
d. sleep apnea.
Answer: b. jet lag.
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A researcher selects a sample from a population with ?= 30 and uses the sample to evaluate the effect of a treatment. After treatment, the sample has a mean of M = 32 and a variance of s2 = 6 . Which of the following would definitely increase the likelihood of rejecting the null hypothesis?
a. Increase the sample size b. Increase the sample mean c. Decrease the sample variance d. All of the other options will increase the likelihood of rejecting the null hypothesis.
In planning to get your nursing degree, if you truly believe that you will be able to make the sacrifices and study the long hours, then Albert Bandura would say that you have a high degree of self-efficacy
Indicate whether the statement is true or false
For adults who were careful about diet, alcohol, exercise, and smoking, their risk of dying was cut by what percent over a 10-year period?
a. 10 percent b. 25 percent c. 50 percent d. 65 percent
Which of these is NOT a drawback to using open-ended questions?
A) coding requires highly trained raters B) people are forced to use a specific response scale C) participants may not provide information on important concepts D) coding can be very time-intensive