Sixteen-year-old Manuel is going to bed later and later, perhaps because of increased neural sensitivity to evening light. Manuel’s parents should know that he needs about ________ hours of sleep per night
A) five
B) seven
C) nine
D) eleven
Answer: C
You might also like to view...
A testable statement with the researcher’s prediction for the study
Regarding samples, which of the following statements is FALSE?
a. Samples are cross-sections of a population. b. Samples are used to draw conclusions about larger groups. c. Inferential statistics are often applied to samples. d. Samples are often too difficult to obtain for research.
What is an important limitation of anecdotal evidence in developing scientifically sound treatments or procedures?
A) Anecdotes cannot help to establish cause-effect relationships. Correct. Anecdotes can describe an individual event, but they do not describe how one variable may cause changes in another variable. B) Anecdotes effectively address the issue of representativeness of the cases. Incorrect. Anecdotes are based on one individual's experience and do not describe other cases or situations. C) Anecdotes are extremely too easy for others to falsify. D) Anecdotes are generalizable to the population from which the individual giving the anecdote came.
Which statement is FALSE with regard to the difference in academic achievement between American and Asian children?
A. Japanese students spend significantly more time in school and spend more of that time on academic content. B. American students have less homework to do than Japanese students. C. American parents tend to set higher academic achievement standards than Asian parents. D. Japanese parents are more likely to believe that hard work leads to academic success.