psyc 2005 exam 1 study guide With Complete Answers Success Guaranteed.
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Course
PSYC 2005
Institution
PSYC 2005
types of statistics: - correct answer descriptive and inferential
variable: - correct answer characteristics that can have different values
values: - correct answer possible number o...
types of statistics: - correct answer descriptive and inferential
variable: - correct answer characteristics that can have different values
values: - correct answer possible number or category that a score can have
score: - correct answer a particular person's value on a variable
types of dependent and independent variables - correct answer quantitative and
nominal
types of quantitative variables - correct answer equal interval and rank order
(ordinal) variables
ratio variable: - correct answer an equal-interval variable that is measured with an
absolute zero (the zero has meaning)
types of variables based on value - correct answer discrete and continuous variables
what cannot be a continuous variable? - correct answer nominal variables (no in
between numeric values)
a histogram for nominal variables is just a - correct answer bar graph
frequency distributions show - correct answer pattern or shape
types of frequency distributions - correct answer - unimodal
, - bimodal or multimodal
- rectangular
- multimodal
frequency distributions are NOT - correct answer histograms
floor effect: - correct answer scores piled up at the low end because it is not
possible to have lower scores
floor effect is skewed - correct answer right
ceiling effect - correct answer scores piled up at the high end because it is not
possible to have higher scores
ceiling effect is skewed - correct answer left
kurtosis: - correct answer extent to which a frequency distribution deviates from a
normal curve in terms of whether its curve in the middle is more peaked or flat than the normal curve
types of kurtosis - correct answer - normal
- heavy-tailed
- light-tailed
examples of misleading graphs - correct answer - failure to use equal interval sizes
- exaggeration of proportions
psuedoscience presents evidence that is - correct answer anecdotal
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