The Adolescents' Psychosocial Functioning Inventory (APFI): scale development and initial validation using Exploratory and Confirmatory Factor Analysis.

Onoja Matthew Akpa, Elijah Afolabi Bamgboye, Olusegun Baiyewu
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Abstract

Most of the existing measures of psychosocial functioning among adolescents are developed outside Lower-middle-income countries (LMIC). Measures relevant to the LMIC setting will provide opportunity to assess the functioning of adolescents in these settings based on their background or context. The Adolescents' Psychosocial Functioning Inventory (APFI) which addresses relevant challenges and expectations of adolescents in the LMIC settings was developed to bridge this gap in knowledge. A total of 753 adolescents from purposively selected secondary schools participated in this study. Preliminary analyses were performed using descriptive statistics. The underlying factor structure of the APFI was explored using Exploratory and confirmatory Factor Analysis. Chi-square Goodness of Fit (CGF) and other fit indices were used to assess model fit. Cronbachs alpha was used to assess the reliability of the items and subscales of the APFI. The final model derived from the factor analyses yielded a 23-item three-factor model that provided the best fit to the data. Estimate of overall reliability of the APFI scale was α = 0.83 while all three factors/subscales: Optimism and Coping Strategy (OCS), Behaviour and Relationship Problems (BRP), and General Psychosocial Dysfunctions (GPD) had moderate to high reliability (α = 0.59 for OCS, α = 0.57 for BRP and α = 0.90 for GPD). The CGF yielded χ2/df < = 1.58 while all other fit indices were in the acceptable range. The three-factor model APFI is a reliable measure for assessing psychosocial functioning among adolescents in the LMIC.

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青少年社会心理功能量表(APFI):量表开发及使用探索性和确认性因素分析法进行初步验证。
大多数现有的青少年社会心理功能测量方法都是在中低收入国家(LMIC)之外开发的。与中低收入国家环境相关的测量方法可以根据这些国家青少年的背景或环境来评估他们的社会心理功能。青少年社会心理功能量表(APFI)针对中等收入国家青少年所面临的相关挑战和期望,旨在弥补这一知识空白。共有 753 名来自特意挑选的中学的青少年参与了这项研究。研究采用描述性统计方法进行了初步分析。使用探索性和确认性因子分析对 APFI 的基本因子结构进行了探讨。采用卡方拟合优度(CGF)和其他拟合指数来评估模型的拟合程度。Cronbachs alpha 用于评估 APFI 各项目和分量表的可靠性。因子分析得出的最终模型是一个 23 个项目的三因子模型,该模型与数据的拟合度最高。APFI量表的总体信度估计值为α = 0.83,而所有三个因子/分量表的信度估计值均为0.83:乐观与应对策略量表(OCS)、行为与人际关系问题量表(BRP)和一般社会心理功能障碍量表(GPD)的信度为中高水平(OCS 的信度为 α = 0.59,BRP 的信度为 α = 0.57,GPD 的信度为 α = 0.90)。CGF 的 χ2/df < = 1.58,而所有其他拟合指数均在可接受范围内。三因素模型 APFI 是评估低收入和中等收入国家青少年社会心理功能的可靠方法。
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