The Adult Motivation for Reading Scale (AMRS) is the only instrument available to assess adult reading motivation. This study validates the factor structures and measurement invariance of the AMRS across genders. A group of 308 Japanese college students was randomly split into two samples. The present study conducted an exploratory factor analysis (EFA) using Sample 1 to investigate the factor structures underlying the AMRS. We fitted the resulting factor model to Sample 2 utilizing a confirmatory factor analysis (CFA) and cross-validated its’ model fit. Our results of the EFA and CFA confirmed the two identified reading motivation factors (i.e., reading importance, reading efficacy and extrinsic goals for reading) in college students. In addition, we established strict measurement invariance across gender.

成人阅读动机量表（AMRS）是唯一可用于评估成人阅读动机的工具。这项研究验证了AMRS跨性别的因素结构和测量不变性。一组308名日本大学生被随机分为两个样本。本研究使用样本1进行了探索性因素分析（EFA），以研究AMRS的潜在因素结构。我们使用验证性因子分析（CFA）将所得因子模型拟合到样本2中，并对其模型拟合进行交叉验证。我们的EFA和CFA结果证实了大学生中两个确定的阅读动机因素（即阅读重要性，阅读效果和阅读的外在目标）。此外，我们建立了严格的性别间测量不变性。