According to the article Reach for the Sky about peoples' estimations of their own physical ability, based on performance the most difficult task to estimate was:
(a) well within
(b) just within
(c) just beyond
(d) well beyond
C
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Which of the following best describes the means by which neurons communicate with each other?
a. Sodium ions from one neuron flow into a second neuron, and potassium ions flow out. b. Potassium ions from one neuron flow into a second neuron, and sodium ions flow out. c. Neurotransmitters flow across the synapse and attach to receptor sites. d. Electrical charges cross the synapse.
Steady drinkers
a. often feel guilty about their abuse of alcohol. b. are often emotionally dependent. c. are rigid and attentive to detail. d. have a strong tendency to seek novelty and excitement. e. have an oversensitive punishment system.
Which of these is the best description of the use of inferential statistics?
a) procedure used to explain the relationship between two variables b) method for summarizing a large amount of data with a few numbers c) method used to determine the practical importance of research findings d) procedure for determining if differences are due to chance or non-chance factors
According to the Marticchio study about attitudes and job training, which is the main focus of the article I
Think I Can, I Think I Can, if a test has a floor effect it will (a) not discriminate between those who know the material and those who do not (b) be valid, but not reliable (c) take very little time to do (d) produce a normal distribution of scores, even in a small group