According to Tversky and Kahneman (1981) a decision frame is:
A) a concrete number of possible actions a person can take
B) the sample space containing all possible outcomes
C) a decision maker's "conception of the acts, outcomes and contingencies associated with a particular
choice"
D) a highly skilled form of decision making
E) a decision maker's "awareness of the various probabilities associated with all possible outcomes"
C
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Which of the following studies will yield the best estimate of the population mean from a single sample?
A. A study with 60 people with various backgrounds answering about their opinion on recent immigration policy. B. A study with 15,000 people with similar political views about their opinion on current U.S. President. C. A study that assessed reading skills of 40 fourth-grade children in an accelerated program. D. A study which measured height of 15,000 students from a coed college.
A vertical line is drawn through a normal distribution at z = 1.20 . What proportion of the distribution is on the left-hand side of the line?
a. 0.8849 c. 0.3849 b. 0.1151 d. 0.7698
Which of the following is an example of the phenomenon known as "operant" control of pain behavior?
a. Kate's family has always been critical and demanding. Since her accident, though, family members have become caring and sympathetic. b. Kim is recovering from a broken leg. Although she is walking on crutches, she has been trying to be as independent as possible. c. Kinesha had to have a finger amputated after it was partially severed in a slicing accident. Since she feels discomfort in the missing finger, she has been diagnosed with "phantom limb" pain. d. Kyomi suffers from chronic back pain. However, she rarely complains about the pain to others and tries to keep her facial expressions from showing that she is in pain.
To state our hypotheses for a study with three or more groups, we will need to consider all the groups in stating both the ______ and ______hypotheses.
A. accepted; alternative B. null; alternative C. null; rejected D. null; accepted