Purpose This article describes the development and initial validation of the Speech-Language Pathologist (SLP) Involvement in Multi-Tiered System of Supports (MTSS) Questionnaire. It was developed to measure the extent to which SLPs are involved in MTSS at their school site(s). Method A total of 567 SLPs practicing in the United States responded to up to 39 Likert-type items meant to reflect six domains: scope of practice, professional development, leadership, consulting/collaborating, assessment and analysis, and intervention. Measurement quality was evaluated in terms of score reliability and validity. An exploratory factor analysis was conducted to evaluate the internal structure of the questionnaire responses. A three-factor model with the following dimensions of Carrying out Roles and Responsibilities, Leading, and Planning and Providing Interventions was supported. Loadings for retained factors ranged from .35 to .87. Internal consistency estimates ranged from .87 to .92. Descriptive statistics summarized the overall involvement of SLPs in MTSS, and responses to questions to assess the feasibility and acceptability of this questionnaire were analyzed. Results Questionnaire responses indicated that SLPs infrequently engage in MTSS activities. The item with the highest mean was related to SLPs collaborating with teachers to help them address students' speech and language disorders in their classrooms. Most of the SLPs who took the questionnaire found it easy to complete, but only some found the information to be useful. Conclusions The infrequent involvement of SLPs in MTSS indicates a need to disseminate information on the potentially valuable roles SLPs can play in MTSS implementation. This tool may be used by SLPs to better understand contributions they can make within an MTSS framework and self-reflect on their current levels of involvement. Supplemental Material https://doi.org/10.23641/asha.13874516.

中文翻译：

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语言病理学家参与支持调查的多层系统：跨专业实践的进展。

目的本文介绍语音病理学家（SLP）参与多层支持系统（MTSS）问卷调查的发展和初步验证。它旨在衡量SLP在其学校所在地参与MTSS的程度。方法在美国共有567个SLP练习，回答了39个Likert类型的项目，旨在反映六个领域：业务范围，专业发展，领导才能，咨询/合作，评估和分析以及干预。根据评分的信度和效度评估了测量质量。进行了探索性因素分析，以评估问卷答复的内部结构。具有以下三个维度的三因素模型：执行角色和职责，领导，支持计划和提供干预措施。保留因子的载荷范围从0.35到0.87。内部一致性估计值介于0.87至0.92之间。描述性统计总结了SLP在MTSS中的整体参与，并分析了对评估该问卷的可行性和可接受性的问题的回答。结果问卷调查表明，SLP很少参与MTSS活动。平均值最高的项目与SLP与教师合作以帮助他们解决教室中学生的言语和语言障碍有关。参加问卷调查的大多数SLP都认为填写起来很容易，但是只有少数人觉得这些信息有用。结论SLP很少参与MTSS，这表明需要传播有关SLP在MTSS实施中可能发挥的潜在宝贵作用的信息。SLP可以使用此工具来更好地了解他们可以在MTSS框架内做出的贡献，并反思他们当前的参与程度。补充材料https://doi.org/10.23641/asha.13874516。