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 The size of an individual’s social network is related to participation in volunteer activities.
-독립변인: 개인의 소셜 네트위크의 크기, 측정수준:  서열(ordinal), 측정대상의 상대적 크기에 대한 것이므로 ordinal을 사용했다. 
-종속변인:  자원봉사활동의 참여, 측정수준: 명목(norminal), 참여의 유,무 이기 때문이다. 

 To what extent is the self-esteem of adults with cognitive or physical disabilities changed following a program of sex-education?
-독립변인:  성교육 프로그램을 따르는 것, 측정수준: 명목(norminal), 따른다/따르지 않는다로 나눌 수 있다. 
-종속변인:  인지적 또는 신체적 장애가 있는 성인의 자존감, 측정수준:  서열(ordinal), 자존감은 상대적인 것이다. 
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독립변인 = 원인이 되는 변인 (시간으로 앞서는 변인)
종속변인 = 원인의 결과가 되는 변인 (시간으로 뒤에 오는 변인)
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<WRAP box help>What is the relationship between a university’s prestige and student stress?
-독립변인 :  대학의 명성, 측정수준 :   서열(ordinal), 대학의 명성은 상대적인 지표이다. 
-종속변인 :  학생의 스트레스, 측정수준 :   서열(ordinal), 학생의 스트레스 역시 상대적인 지표이다. 
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<WRAP box important>ordinal vs. interval (ratio)
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[[:Hypothesis]] vs. [[:Research Question]]
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<WRAP box help>9. To what extent is the self-esteem of adults with cognitive or physical disabilities changed following a program of sex-education?

- IV is following a program of sex-education(유무)

- DV is self-esteem of adults with cognitive of physical disabilities(수준)
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<WRAP box help> Children who eat a breakfast high in protein perform academically better in school than children who eat cereal for breakfast. 
IV(독립변수) : Children who eat a breakfast high in protein, children who eat cereal for breakfast. Nominal data.
DV(종속변수) : Academical performance. Interval data.

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변수, 변인: idea that are designed (devised) to measure

**e.g.**, Children who eat a breakfast high in protein perform academically better in school than children who eat cereal for breakfast.
  * IV:  Children who eat a breakfast high in protein perform academically / 숫자
  * DV:  Children who eat cereal for breakfast / 숫자

**e.g.**, The size of an individual’s social network is related to participation in volunteer activities.
  * IV: 개인의 사회적 네트워크의 크기 (종류 변인)
  * DV: 지원의 활동의 참여 (종류 변인)
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<WRAP box help>How does the retirement of the organization’s founder interrupt the organization’s memory?
IV : retirement of the organization’s founder(측정수준:종류)
DV : organization’s memory(측정수준:숫자)
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organizational memory --> 숫자? 종류?
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