Sleep research supports three "helpful hints" to avoid insomnia. Which of the following statements is NOT a helpful hint?
a) get regular exercise
b) make your bed as comfortable as possible
c) try to nap as much as possible.
d) it is better to go to bed at about the same time every night.
c
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The defense mechanism upon which the whole structure of psychoanalysis rests is the one known as repression
Indicate whether the statement is true or false
In a nationwide survey of college freshman in the United States, how many reported they had participated in a political demonstration?
a. 28% b. 50% c. 63% d. 81%
If you mark the middle of crosspiece of each bar in a histogram with a dot, connect the dots, and
remove the bars, you have just constructed a A) frequency polygon B) polygraph C) line graph D) pie chart
If a psychologist summarizes data for a variable in a frequency table, but finds that there are so many values for the variable that the table is too cumbersome to be useful, the next step would be to make a
A) histogram. B) frequency polygon. C) grouped frequency table. D) bar chart.