Behavioral Sciences STAT

Mathematics

Quiz 1 :

Introduction to Statistics and Research

Quiz 1 :

Introduction to Statistics and Research

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If I want to summarize the characteristics of my statistics class to my friend, I should use
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D

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A specific amount or category of the independent variable creating the specific situation under which the participants' scores on some other variable are measured is called a/an
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D

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The individuals measured in a sample are called the
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A researcher investigates whether there is a relationship between hours of sleep and memory for photographs by having 40 people sleep in the laboratory and waking 20 of the participants after 4 hours of sleep and the others after 8 hours of sleep.After they are awakened, each participant is asked to study 21 photographs and then recall as many details from the photographs as possible.In this study, what is 8 hours of sleep?
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When a change in the scores of one variable is accompanied by a consistent change in the scores of another variable, we have what is known as a
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The variable systematically changed or manipulated by a researcher in an experiment is called the
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In statistics, a sample is
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Suppose you are interested in how participants perform under different temperature conditions.You select 30 participants and assign them to work in one of three rooms.The rooms differ only with respect to temperature.You instruct all participants to solve the same jigsaw puzzle, and then you measure how long it takes each one to finish. This research is an example of
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Suppose you are interested in how participants perform under different temperature conditions.You select 30 participants and assign them to work in one of three rooms.The rooms differ only with respect to temperature.You instruct all participants to solve the same jigsaw puzzle, and then you measure how long it takes each one to finish.In this research, the experimenter is investigating whether
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In statistics a population is
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Which of the following is not a purpose of statistical procedures?
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A statistics class has 60% females and 40% males.A researcher selects a sample having 80% males and 20% females.Why should the researcher be cautious of making inferences about the entire class based on the sample?
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Which of the following is a variable?
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In research, the aspects of the situation or behavior we measure are called
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A relationship is not present when
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Which of the following studies is best for showing the first variable produces a change in the second variable?
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In order to make statements about the population from information obtained from a sample, we must use
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The variable measured as an experiment is being carried out is called the
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A representative sample is one
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Of the following data sets, which shows a relationship?
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