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parametric test - correct answer✔ ✔
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an inferential statistical analysis based on a set of assumpti
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ons about the population
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parametric test assumptions - correct answer✔ ✔
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1. Dv measured at interval and ratio level
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2. Sample data is normally distributed and large (30+)
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3. variences are homegenous
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ratio level of measurement - correct answer✔ ✔
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data is grouped into cathegories that are ranked, have signif
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icant differences, and has absolute 0
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age in years, BP, HR, weight
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interval level of measurement - correct answer✔ ✔
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A measurement of a variable in which the numbers indicati
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ng a variable's values represent fixed measurement units but
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have no absolute, or fixed, zero point
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, ex: linkert scales, distance, temp)
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nominal level of measurement - correct answer✔ ✔
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data grouped in no specific order
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ex: yes or no, true or false
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ordinal level of measurement - correct answer✔ ✔
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classifies data into categories that can be ranked; however,
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precise differences between the ranks do not exist
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ex: stages of cancer
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degree of freedom for independent t-tests - correct answer✔
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✔ df= N-2 hk
N (number of participants)
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