婴幼儿回应性喂养评价工具的构建及信效度检验

Construction and test of reliability and validity of a responsive feeding assessment tool for infants and young children

摘要

目的 构建婴幼儿回应性喂养评价工具并进行信效度检验。方法 根据前期制定的婴幼儿回应性喂养核心信息构建评价工具,邀请专家进行评分以检验评价工具的内容效度,通过预调查结果检验评价工具的难度、区分度、信度及结构效度。结果 评价工具包括0~6月龄、7~12月龄和13~36月龄三个问卷,内容涵盖回应性喂养基本知识与理念、喂养环境、喂养互动与喂养方式.专家评分结果显示各月龄问卷内容效度指数分别为0.91、0.90、0.93;题目难度在0.15~0.85范围内的比例分别为88.5%、90.9%、90.9%;区分度在0.2以上的比例分别为88.5%、84.8%、84.8%;各月龄问卷的总体Cronbach's α系数分别为0.623、0.699、0.743,Guttman分半系数分别为0.684、0.749、0.767;通过探索性因子分析最终提取8个因子(概括为“喂养知识”、“喂养理念”、“家庭喂养环境”、“喂养支持”、“喂养策略”、“喂养信号”、“特殊情况下喂养策略”、“效果评价”),累计方差解释率为34.1%。结论 本研究所构建的婴幼儿回应性喂养评价工具难度适宜,有一定的区分度,且信效度均可接受,能适用于0~3岁婴幼儿照护者的回应性喂养水平评价.

Abstract

Objective To develop a responsive feeding assessment tool for infants and young children and to test its reliability and validity. Methods Based on previously established core messages on responsive feeding for infants and young children, experts were invited to rate content validity of the assessment tool. A pilot study was conducted to examine difficulty and discrimination of the assessment tool. Cronbach's α coefficient and Guttman split-half coefficient were used to test reliability of the assessment tool, and exploratory factor analysis was used to assess structural validity of the assessment tool. Results The assessment tool consisted of three questionnaires for different age groups of infants: a questionnaire for 0-6 months aged infants, a questionnaire for 7-12 months aged infants, and a questionnaire for 13-36 months aged infants and young children. It covered key aspects of responsive feeding, including fundamental knowledge and concepts, feeding environment, feeding interactions, and feeding patterns. The experts' scoring results shown that the content validity indexes for the three questionnaires were 0.91, 0.90 and 0.93 respectively. The proportions of items with difficulty values in a range of 0.15-0.85 of the three questionnaires were 88.5%, 90.9% and 90.9% respectively, while the proportions of question items with discrimination above 0.2 of the three questionnaire were 88.5%, 84.8% and 84.8% respectively. The overall Cronbach's α coefficients of the three questionnaires were 0.623, 0.699 and 0.743 respectively, and the Guttman split-half coefficients were 0.684, 0.749 and 0.767 respectively. Eight factors such as feeding knowledge, feeding concepts, family feeding environment, feeding support, feeding strategy, feeding signal, feeding strategy in special conditions and effect evaluation were extracted through exploratory factor analysis, with a cumulative variance explanation rate of 34.1%. Conclusion The responsive feeding assessment tool developed in this study has appropriate difficulty, a certain degree of discrimination, and acceptable reliability and validity. It is suitable for evaluating responsive feeding levels of caregivers for infants and young children aged 0-3 years.

关键词

婴幼儿 / 回应性喂养 / 评价工具 / 信效度检验

Key words

infant and young children / responsive feeding / assessment tool / reliability and validity test

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基金资助

国家自然科学基金(81673146)

国际计划家庭教育项目资料开发和支持项目(2022G1)