In order to calculate the z test, one must know
a. the sample's true standard deviation
b. the amount of sampling error present
c. the parameter mean, the parameter standard deviation and the sample mean
d. the exact amount of bias contained in the sample
c
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What is true for people with narcolepsy? a. They frequently awaken because of bad dreams
b. They have periods of failing to breathe while asleep. c. They walk and talk during sleep, apparently acting out a dream. d. They have attacks of sleepiness during the day.
In an experiment designed to test memory processes, one group was given special instructions and asked to group the items on a list into categories while they tried to memorize them. A second group of participants was given the same list, but they did not receive any special instructions. In this study, the experimental group is
a. the group in which the participants remember the least items from the list. b. the group that did not receive any special instructions. c. the group that received the special instructions. d. the group in which the participants remember the most items from the list.
Over the course of life, people become rigid and uncompromising in their constructs
Indicate whether the statement is true or false.
Which of the following is true concerning the language of the test taker?
a. Language should not be of concern, since there are computer programs that will translate. b. The use of interpreters is helpful and typically will not affect reliability or validity. c. The test should be administered in the language of the majority, even if the test taker is not fluent. d. It is important to ensure that the translated version of the test is comparable to the original version.