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Validation and Reliability of the Questionnaire for Assessing the Effectiveness of The Reverse Whole Brain Model

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The use of appropriate teaching methods for students in the classroom is a challenge. The effectiveness of teaching is determined by what methods the teacher uses when teaching. Reverse Whole Brain Model is the result of Sianipar’s thinking in his article in 2025. Sianipar states that the Whole Brain Model has the necessary things for Aphasia students (Sianipar, 2025). The research method is quantitative, using questionnaires as a measurement tool to determine the effectiveness of the Reverse Whole Brain Model. Questionnaires were created by researchers using the Theory of Effective Instruction from Slavin (1994). The data analysis technique is Aiken’s V to test the validity of experts who have assessed existing instruments. The calculated r value of all statement items has a value above 0.304. The calculation of sig. (2-Tailed) of all items has a value of 0.000, which is smaller than 0.05. All items in the questionnaire meet the requirements to be declared valid and suitable for use as a data collection tool. In terms of the validity test, it is greater than 0.60. All items have a value not far from 0.989. From the calculation of this reliability test, it can be concluded that all statement items in the questionnaire are declared reliable to be used.

Overview of Neuroplasticity in the Application of the Reverse Whole Brain Model in College Students

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Modifications applied when using Whole Brain, from the initial application of the left quadrant to the right, to the change from the right quadrant to the left. The formulation of research questions; What is the modified form of the Whole Brain model?, What are the learning outcomes obtained from the use of the modified Whole Brain model? Can the results obtained from the use of modified Whole Brain models be used as tangible evidence of neuroplasticity?. The researcher used a quantitative descriptive design. This design illustrates how the Reverse Whole Brain Model was used based on the respondents. The researcher uses a questionnaire to collect research data. The questionnaire was developed by the researcher using Slavin’s (1995) Theory of Effectiveness. Researchers also used the Trail Making Test as a data collection instrument. TCR (Respondent Achievement Level/Tingkat Capaian Responden) was used to analyze the questionnaire data. TMT-A was analyzed using parametric tests, and TMT-B was analyzed using nonparametric tests. The Reverse Whole Brain model is considered effective in teaching and learning. The results show that the application of this model in the Listening and Speaking II class is considered an appropriate learning model. It also concluded that the students experience neuroplasticity.