Your husband just woke up, and he said he was having the most bizarre dream. What stage was he probably awakened during?
a. REM sleep c. paradoxical sleep
b. NREM sleep d. REM and paradoxical sleep
D
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Indicate whether the statement is true or false
Which of the following statements is true of cones?
A. They are thin, cylindrical receptor cells that are highly sensitive to light B. They play a key role in seeing objects that are outside the main center of focus. C. They are primarily responsible for the sharply focused perception of color. D. They play a key role in night vision.
Students have to retake a test when they fail it. This is an example of:
Please choose the correct answer from the following choices, and then select the submit answer button. negative reinforcement. positive reinforcement. negative punishment. positive punishment.
Which of the following statements is correct concerning correlation coefficients?
A. A correlation of +.89 is strong and -.89 is weak. B. A correlation of +.89 and -.89 are both strong and equally so. C. Correlation coefficients are indicators of cause and effect. D. A correlation of +1.5 is very strong.