What was one of the key findings of the National Sleep Foundation's survey of the sleep of over 1,500 adults?
a) Most adults achieve 8 or more hours of sleep per night when we include naps.
b) Half of adults report that they infrequently get a good night's sleep.
c) The average amount of sleep continues to decline and is now at five hours a night.
d) Less than 1% of the respondents were satisfied with their sleep on a regular basis.
B
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Which of the following is FALSE? a. The range is a simplistic measure of variation that does not use all scores in the distribution in its calculation. b. The average deviation is a more sophisticated measure of variation than the range in which all scores are used but which may not weight extreme scores adequately. c. The standard deviation is the least sophisticated measure of variation
and the least frequently used. d. all of the options are true
Children around the world learn their parents' language at the same average pace. These "linguistic universals" suggest to nativists that
a. language learning is based on the infantile diet. b. similar language instruction is given in all cultures. c. the brain is biologically programmed to learn language. d. empiricism best explains the learning of language.
Describe how teachers use tests for making decisions in the classroom. Include discussion of how tests are used at the beginning of instruction, during instruction, and at the end of instruction. Provide examples.
What will be an ideal response?
Alex and Peter work in an air traffic control tower. They are assigned with the task of monitoring signals on the radar to detect incoming planes. Alex tells Peter that he detected a signal on the radar. However, Peter does not agree with Alex. After further checks, they concur that there was no signal on the radar. Signal detection theorists would label Alex's initial report that he detected a signal as a ________.
A. false alarm B. miss C. hit D. correct rejection