Unformatted text preview: represents everyone.-To calculate the range we take the lowest value from our sample and subtract it from the highest value Concept Measurement-Concept measurement implies we want to know how to operationalize (coming up with some kind of measure for something) variables-To operationalize a variable is to construct a both valid and reliable measure of some social concept or phenomena.-Measurement Validity Does the measurement of the concept capture the idea it represents?- E.g. Intelligence What is the best measure?-Measurement Reliability In addition to a measure’s validity, we are interested in the accuracy of the measure; known as reliability-Specifically, we are interested in the standard error associate with the measure...
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- Fall '11
- ordinal data, Left-skewed distribution=negative distribution, Right-skewed distribution=positive distribution