Foundations of measurement (4) Flashcards Preview

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Flashcards in Foundations of measurement (4) Deck (6)
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1
Q

Level of measurement

A

Nominal, ordinal, interval, ratio

2
Q

reliability

A

consistency or stability of an observation

3
Q

True score theory

A

maintain that an observed score is the sum of two components true ability of the respondent and random error

4
Q

systematic error

A

caused by any factors that consistently affect measurement of the variable across the sample

5
Q

reducing measurement error

A
pilot test - get feedback
train interviewees 
double check the data 
use statistical procedures to adjust errors 
use multiple measures
6
Q

Theory of reliability

A

same observation over and over again