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Sulastri Rini Rindrayani
Program Studi Magister Pendidikan IPS, Universitas Bhinneka PGRI
Education Mathematics Other

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METODOLOGI PENELITIAN QUASI EKSPERIMEN Gisela Anantasia; Sulastri Rini Rindrayani
JURNAL PENDIDIKAN DAN KEGURUAN Vol. 3 No. 1 (2025): Jurnal Pendidikan dan Keguruan
Publisher : CV. ADIBA AISHA AMIRA

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Abstract

Quasi-experimental research is a research method used to measure the effect of a particular treatment on a variable without using full subject randomization. This method is often used in situations where full control of external variables is difficult, such as in educational, social, or health settings. Quasi- experimental research designs involve a treatment group and a control group, but the subjects in both groups are not selected randomly. There are several types of designs in quasi-experiments, such as nonequivalent control group design, time series design, and pretest-posttest design. The main advantage of quasi-experiments is their flexibility in real-world situations, allowing researchers to test causal relationships in a more natural environment. However, this method has the disadvantage of potential threats to internal validity, such as selection bias and the influence of external variables. Therefore, data analysis in quasi-experiments requires special attention to control these factors, such as the use of analysis of covariance (ANCOVA) or other statistical methods. Quasi-experimental research is very relevant in developing policies or interventions that can be practically implemented in society. With a good design, this method is able to produce valid and useful findings for evidence-based decision making.
MENGUJI KEABSAHAN DATA PENELITIAN KUALITATIF Riski Rahayu; Sulastri Rini Rindrayani
JURNAL PENDIDIKAN DAN KEGURUAN Vol. 3 No. 2 (2025): Jurnal Pendidikan dan Keguruan
Publisher : CV. ADIBA AISHA AMIRA

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Data is an important thing that must be present in both qualitative and quantitative research. Collecting data and then processing it is a difficult job. Because if the data obtained is not suitable, then the research results are also not suitable, testing the validity of data is important in the research process. This paper is made to understand how to test the validity of data in qualitative research. The approach used is literature study with data collection techniques in the form of scientific articles from google schooler and other reference books related to the discussion of this paper, the analysis technique used is to process the collected data, present the data and draw conclusions at the end. From the results of this study, it can be explained that the process of testing the validity of data in qualitative research has four stages, namely: credibility (internal validity), transferability (external validity), dependability (reliability), and confirmability (objectivity).
Co-Authors Gisela Anantasia Riski Rahayu