It refers to the deliberate and planned actions or measures that researchers take during a study to manipulate or influence certain variables in order to observe their effects on the study participants or outcomes.

What is the intervention for the study entitled, "Improving Mathematics Performance Through the Use of Differentiated Instruction of Grade Four Ginto in Teacherph Elementary School".

What is the intervention used in the study entitled,"The Impact of Communicative Language Teaching Strategies in Solving English Oral Communication Learning Deficiency"?

What is the intervention used in the study entitled, "The Effects of Flipped Classroom Learning Model on the Performance of Grade 8 Students in Solving Non-routine Mathematical Problems".

What is the intervention used in the study entitled, "Evaluating the Efficacy of Phonics Intervention Programs on Early Literacy Development in Elementary School Students".

What is intervention for the study entitled, "Implementing Cognitive Behavioral Therapy Strategies to Reduce Test Anxiety Among High School Students".

What is the intervention used in the study entitled, "Examining the Impact of Technology-Based Vocabulary Instruction on English Language Learners: A Treatment Approach".

What steps does a researcher need to take prior to collecting data?

What steps does a researcher need to take DURING the data collection?

What steps does a researcher need to take AFTER the data collection?