I .Potential experimental research question
Can increasing the number of quizzes help students of secondary school X to achieve better performance in English language studies?
The above question can be classified as Experimental Research, as it is a statement of hypothesis on the casual relationship between 2 variables:
1. number of quizzes done by students; and
2. the performance of students in English language studies (as measured by the score in year-end final examination).
II. How could data for the variables be collected?
Step 1: Each grade is treated as an independent population. During the second semester, every two weeks, a fraction (say, 50%) of the students are randomly selected to take part in a quiz on English language studies. Therefore, by the end of the semester, a student may have taken at most 20 tests, or at least, no test at all. Each student represents a data point.
Step 2: Measurement: Assume the score of final examination can measure a student's performance in English language studies.
Step 3: Computation of correlation coefficients: The 2 variables [number ofQuizzes taken, score of final examination] are used to compute the correlation coefficient for each grade. The closer the correlation coefficient to +1, the higher the strength of the relationship between 2 variables.
III. Provide argument how answer to that question can contribute to improvements in some aspect of education/teaching and learning?
If positive correlation (>0.5) is found, school may consider to employ the use of a large number of quizzes to improve the performance of students in English language studies.
Posted by Cherry
Can increasing the number of quizzes help students of secondary school X to achieve better performance in English language studies?
The above question can be classified as Experimental Research, as it is a statement of hypothesis on the casual relationship between 2 variables:
1. number of quizzes done by students; and
2. the performance of students in English language studies (as measured by the score in year-end final examination).
II. How could data for the variables be collected?
Step 1: Each grade is treated as an independent population. During the second semester, every two weeks, a fraction (say, 50%) of the students are randomly selected to take part in a quiz on English language studies. Therefore, by the end of the semester, a student may have taken at most 20 tests, or at least, no test at all. Each student represents a data point.
Step 2: Measurement: Assume the score of final examination can measure a student's performance in English language studies.
Step 3: Computation of correlation coefficients: The 2 variables [number ofQuizzes taken, score of final examination] are used to compute the correlation coefficient for each grade. The closer the correlation coefficient to +1, the higher the strength of the relationship between 2 variables.
III. Provide argument how answer to that question can contribute to improvements in some aspect of education/teaching and learning?
If positive correlation (>0.5) is found, school may consider to employ the use of a large number of quizzes to improve the performance of students in English language studies.
Posted by Cherry
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