서 론
1. 연구의 필요성
연구 방법
1. 연구 설계
2. 연구 대상 및 자료 수집
3. 연구 도구
1) 욕창예방지식 (pressure ulcer prevention knowledge)
2) 구성타당도 검증을 위한 도구
(1) 욕창예방실무지식 (pressure ulcer prevention practical knowledge)
(2) 욕창예방실무지식의 확신정도(certainty level of pressure ulcer prevention practical knowledge)
4. 자료 분석
1) 문항분석
(1) 선택지의 질
(2) 문항난이도
(3) 문항변별도
2) 타당도 검증
5. 윤리적 고려
연구 결과
1. 일반적 특성
Table 1.
2. 타당도 검증
1) 도구의 내용타당도 검증
Table 2.
Item number of original scale | I-CVI | Quality of response alternatives (Frequency) | Difficulty index | Discrimination index | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
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a | b | c | d‡ | CTT | IRT | CTT | IRT | ||||||||
|
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Etiology and development | 2 | Item1 | .92 | .71† | .08 | .12 | .09 | .71 | M | -1.64 | L | .37 | M | .58 | M |
3 | Item2 | 1.00 | .04 | .43 | .52† | .01 | .52 | M | -.08 | M | .55 | H | 1.47 | M | |
4 | Item3 | .83 | .02 | .48 | .48† | .02 | .48 | M | .12 | M | .37 | M | .60 | M | |
5 | Item4 | .92 | .81† | .06 | .02 | .11 | .81 | L | -1.98 | L | .34 | M | .84 | M | |
6 | Item5 | 1.00 | .06 | .04 | .81† | .09 | .82 | L | -1.52 | L | .18 | L | .64 | M | |
Classification and observation | 1 | Item6 | .83 | .68† | .21 | .07 | .04 | .68 | M | -1.06 | L | .43 | H | .78 | M |
2 | Item7 | 1.00 | .07 | .24 | .59† | .10 | .59 | M | -1.16 | L | .31 | M | .12 | L | |
3 | Item8 | .83 | .28† | .13 | .49 | .10 | .28 | M | 1.61 | H | .24 | M | .37 | M | |
4 | Item9 | 1.00 | .29† | .04 | .66 | .01 | .29 | M | 1.94 | H | .24 | M | .23 | L | |
5 | Item10 | .92 | .05 | .83 | .11† | .01 | .10 | H | 1.72 | H | .19 | L | .12 | L | |
Risk | 2 | Item11 | .83 | .16 | .07 | .73† | .04 | .73 | M | 1.05 | H | .19 | L | .20 | L |
Nutrition | 1 | Item12 | .83 | .16 | .01 | .83† | .00 | .83 | L | -1.39 | L | .10 | L | .30 | L |
Reduction of the amount of pressure/shear | 1 | Item13 | .83 | .31 | .11 | .47† | .11 | .47 | M | .88 | H | .33 | M | .15 | L |
2 | Item14 | 1.00 | .13 | .58† | .19 | .10 | .58 | M | -.69 | L | .57 | H | .49 | M | |
3 | Item15 | 1.00 | .42† | .03 | .45 | .10 | .42 | M | .91 | H | .36 | M | .38 | M | |
4 | Item16 | .83 | .34† | .36 | .18 | .12 | .33 | M | 1.42 | H | .11 | L | .29 | L | |
5 | Item17 | .83 | .03 | .79 | .11† | .07 | .11 | H | -1.06 | L | .01 | L | .30 | L | |
6 | Item18 | .83 | .13 | .07 | .54† | .26 | .54 | M | -.72 | L | .22 | M | .24 | L | |
Reduction of the duration of pressure/shear | 1 | Item19 | .92 | .05 | .65 | .30† | .00 | .30 | M | 1.30 | H | .19 | L | .01 | L |
2 | Item20 | 1.00 | .03 | .10 | .86† | .01 | .86 | L | -1.77 | L | .23 | M | .51 | M | |
4 | Item21 | .83 | .02 | .32 | .64† | .02 | .65 | M | -1.67 | L | .37 | M | .15 | L | |
5 | Item22 | .83 | .47 | .44† | .02 | .07 | .44 | M | -1.99 | L | .04 | L | .00 | L | |
S-CVI | .90 | ||||||||||||||
Internal consistency (KR-20)/stability | .62/.82 |
2) 문항분석
3) 구성타당도와 신뢰도
Table 3.
1. Pressure ulcer prevention knowledge (Beeckman et al. 2010) |
2. Pressure ulcer prevention practical knowledge (Kim, 2016) |
3. Certainty level of pressure ulcer prevention practical knowledge | |
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|
|
|
|
r (p) | r (p) | r (p) | |
|
|||
1 | 1.00 | ||
2 | .20 (.002) | 1.00 | |
3 | -.09 (.189) | -.06 (.380) | 1.00 |