The strongest correlation is +1 meaning that X perfectly predicts Y, and the weakest correlation is -1 meaning X is unrelated to Y.
a. True
b. False
b. False
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Possible selves become more numerous and varied the older a person gets
a. True b. False Indicate whether the statement is true or false
Experimental studies have shown that crying seems to be a way of eliminating substances that build up in the body in response to stress
Indicate whether the statement is true or false
There is no practical limit to the number of meaningful sentences that can be created using the words and rules in the human language.
a. true b. false
Which of the following most clearly demonstrates the influence of environment?
A. Ann and Jennie are fraternal twins who were reared apart, and only Ann has high blood pressure. B. Bill and Jim, identical twins, were separated at birth and have many similarities such as obesity, blood pressure, and left-handedness. C. Georgio was adopted at birth and resembles his biological father and brother closely. D. Sally was adopted when she was 2 years old, and she has developed a good vocabulary because her adoptive father encourages her to read.