高中平均成绩(HSGPA)的通货膨胀问题日益严重,导致大学招生官难以区分申请者。研究发现,成绩通货膨胀在不同科目、学生群体和学校间存在不均匀现象,降低了HSGPA作为学术准备指标的可靠性。研究指出,ACT综合分数(ACTC)不受评分膨胀影响,是HSGPA的有效补充指标。进一步分析显示,仅英语高级课程对大一平均学分绩点(FYGPA)具有显著预测能力。
研究通过分层线性模型分析AP、IB和荣誉课程对成绩膨胀的影响,发现高级课程指标本身对FYGPA的预测作用有限,且无法减轻成绩膨胀的负面影响。具体数据显示,高级英语课程虽是FYGPA的显著预测因素,但与成绩膨胀无显著交互作用。研究结论强调,大学录取应综合评估HSGPA、ACTC、高级课程、课外活动和个人陈述等多维度信息,以全面评估学生准备情况。此外,研究呼吁进一步探索高级课程未能减轻成绩膨胀的原因。
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