早期沟通干预的长期影响:系统审查和元分析
Natalie S Pak1, Jason C Chow2, Kelsey M Dillehay1
1Department of Special Education, Peabody College, Vanderbilt University, Nashville, TN.
概括
早期语言干预措施对语言障碍儿童,特别是对语言前技能,显示出持久的影响. 耐久性受到干预类型和研究质量的影响,而不仅仅是治疗后的时间.
科学领域:
- 语音和语言病理学 语言病理学
- 发展心理学 发展心理学
- 基于证据的实践.
背景情况:
- 早期的语言和沟通干预对于语言障碍儿童至关重要.
- 治疗后立即确立有效性,但长期耐用性需要研究.
研究的目的:
- 系统地审查和元分析早期语言干预效应的持久性.
- 检查持久性是否与结果类型,病因学,实施者,效果大小,随访时间或研究偏差有关.
主要方法:
- 实验和准实验研究的系统搜索.
- 包括对0-5岁语言障碍儿童干预后至少3个月的随访研究.
- 多层次元分析与强大的差异估计,以评估效应大小和调节者.
主要成果:
- 分析了20项研究,其中有129项长期效果大小.
- 整体平均效应大小小但显著 (g = .22).
- 语言前结果 (g = .36) 显示出比语言结果 (g = .14) 更大的效果大小.
结论:
- 早期语言干预的效果持续几个月.
- 进一步的研究需要标准化的长期结果测量和一致的报告.
- 研究质量和特定的结果类型影响干预的持久性.
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