A researcher is using a two-tailed hypothesis test with ? = .05 to evaluate the effect of a treatment. If the boundaries for the critical region are t = ± 2.080, then how many individuals are in the sample?
a. n = 22
b. n = 21
c. n = 20
d. Impossible to determine without more information
A
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A family with a young son decides to move from a poor, inner-city neighborhood to a small town because their first-grade son is wanting to dress like the "gangstas" he sees on his street and at school. Is this an effective strategy?
a. No, because moving creates instability, which leads to a greater risk of externalizing problems. b. No, because a tendency to externalizing problems is completely genetic. c. Yes, because kids in these kinds of neighborhoods are at greater risk of developing externalizing problems. d. Yes, because kids in these kinds of neighborhoods are at greater risk of developing internalizing problems.
If I must remember someone's name without anycues, the type of memoryretrieval required
is called A) free recall B) recognition C) eidetic D) cued recall
Imagine a genetic mutation occurs that prevents cerebrospinal fluid from developing. What is the most likely consequence for individuals with this mutation?
A. Nerve cells are unable to communicate. B. Brain damage is much more likely to occur, because the cushioning of CSF is lost. C. Nerve conduction velocity will be reduced. D. Hydrocephalus will occur.
Raymond B. Cattell advanced the study of personality by applying a statistical method called case-study analysis
Indicate whether this statement is true or false.