Articles

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.

Assessing Indoor Environmental Quality of Academic Building Using Subjective Measurement

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Indoor Environment Quality (IEQ) is becoming increasingly popular as a means of assessing human comfort, especially in educational environments. Determining an appropriate degree of indoor environment quality (IEQ) involves considering many factors like thermal comfort, indoor air quality, acoustic comfort, and visual comfort. These days, there is an intense need for educational facilities to have high-quality interior environments by reason of the fear of a worldwide pandemic.  This research looks into IEQ characteristics in several standard functional locations of a Navsari academic building. In order to assess the level of user satisfaction in the staff room, drawing hall, and classroom, a sequence of questionnaires measuring the subjective aspects of the IEQ parameters (TC, AC, IAQ, and LC) were utilized. According to the study’s findings, the summer months had the lowest proportion of TC parameter satisfaction overall and the highest percentage of AC parameter satisfaction. Additionally, the data demonstrates that the satisfaction rate is lower for the LC and IAQ parameters. The research has confirmed that the academic building has low IEQ and It is necessary to take the required steps to turn out a more pleasant, conducive, and productive education place.