We say that two variables are negatively correlated when:
a. the experiment is poorly designed
b. as the score in one variable increases, the score in the other decreases
c. as the score in one variable decreases, the score in the other decreases
d. a low score in one variable is correlated with the score in the other
e. none of the above
Ans: B
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Roger wants to study whether the level of personal income predicts happiness. He operationally defines income as "the gross amount of money a person earns in a calendar year." He operationally defines happiness as "the ability of that person to stand on one leg for longer than 3 minutes." What is glaringly wrong with Roger's study?
A) It lacks validity; income can be measured, but happiness cannot. B) It lacks reliability; the operational definitions of the properties under study produce inconsistent measurements. C) It lacks validity; the operational definition of happiness is unrelated to the underlying property of happiness. D) It lacks reliability; it is difficult to precisely measure both income and happiness.
The tendency of water to flow across a semipermeable membrane from the area of low solute concentration to the area of higher concentration is termed ____.
A. hypovolemic pressure B. hypovolemic thirst C. osmotic pressure D. OVLT
A key theme of the dispositional perspective is that people are remarkably similar to one another
Indicate whether the statement is true or false
Which of the following is typically NOT part of the survivor's first stage of grief?
a) Shock b) Anger c) Numbness d) Disbelief