Present the conceptual or theoretic

提出指导研究的概念或理论框架，确定并概述概念模型和/或理论。识别和定义关键概念或研究变量。解释概念模型或理论与研究变量之间的联系。解释研究变量之间的联系，并用相关的理论和实证文献支持这些联系。<br>提供对相关理论和实证文献的批判性评论，应从理论框架和当前证据中得出结论，并支持混合方法研究的必要性。

Present the conceptual or theoretical framework that guided the study, identifying and providing an overview of the conceptual model and/or theory. Identify and define key concepts or study variables. Explain the connections between the conceptual model or theory and the study variables. Explain connections between study variables and support those connections with relevant theoretical and empirical literature. Provide a critical review of relevant theoretical and empirical literature, which should draw conclusions from the theoretical framework and current evidence, and support the need for a mixed methods study.<br>

提出指导研究的概念或理论框架，确定并提供概念模型和/或理论的概述。识别并定义关键概念或研究变量。解释概念模型或理论与研究变量之间的联系。解释研究变量之间的联系，并用相关理论和经验文献支持这些联系。对相关理论和经验文献进行批判性回顾，从理论框架和现有证据中得出结论，并支持混合方法研究的需要。