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Question | Answer |
What is a Independent Variable? | The variable that is manipulated; we assign things to it to see if there is a change. |
What is a Dependent Variable? | The variable observed to assess the effect of the treatment. This is always "the number of." |
What is the correlational method? | The method of studying two things at once. |
What is population? | The entire set of people interested in a study. |
What is a sample? | A subset of people selected from the population, used to represent the population. |
What is a parameter? | A characteristic that describes the population. ex: the average age of a population |
What is a nominal scale? | classifying by categories which are not related to one another |
What is an ordinal scale? | A scale that categorizes in an ordered sequence. ex: olympic medals |
What is an interval scale? | A scale of ordered categories that are all of the same size, however the zero on this scale is arbitrary and does not include zero as the amount being measured. |
What is a ratio scale? | It is an interval scale with an absolute zero. |
What is a discrete variable? | It consists of separate, indivisible categories. |
What is a continuous variable? | There are an infinite number of possible values that fall between any two observed values. |
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lexyismarchhare
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