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HS Students. Two classrooms were used for the treatment with music and two classrooms were used for the control groups. A test on vocabulary consisting of 10 words was given to two of these classrooms where the vocabulary words are provided prior to the test to see if music will affect the student’s memory. No name was required to be written on the tests, of course. Classical music was played during the entirety of the experiment. 5 minutes were given for studying for the test and 5 minutes were given for taking the test. The number correct was averaged from the two classrooms treated with music and the scores correct were averaged from the two classrooms with no music playing. The differences between these averages were compared using a two-sample mean inference testing. μ1 represents the control group’s average score, μ2 represents the treatment group’s average percentage. The null hypothesis (H0): there is no difference in test score with and without music: μ 1= μ 2; The alternative hypothesis (Ha); there is a difference in test score with and without music: μ 1≠ μ
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This allows us to assume that the individuals have approximately similar knowledge of vocabulary so that the memory will not be favorable to people who already know the vocabulary words provided in the test. Using one class from each teacher allows us to eliminate the possibility of certain teachers providing more vocabularies to their students than others. This method was imposed to accommodate a fairly reasonable sample size of over 50 students.
Bias
The bias that may result in this experiment includes voluntary response, where some students who know the vocabulary willingly respond and help us conduct the experiment , while those who distrust us decided to deliberately not answer any questions or not answer according to the test. Another type of bias includes students collaborating with one another and refusing to focus on the test. Therefore, the fact that the students did not take the test seriously affected the results.
The Vocabulary
Study for this test.
1. Forbearance: tolerance and self-control, patience
2. Impromptu: without
This allows us to assume that the individuals have approximately similar knowledge of vocabulary so that the memory will not be favorable to people who already know the vocabulary words provided in the test. Using one class from each teacher allows us to eliminate the possibility of certain teachers providing more vocabularies to their students than others. This method was imposed to accommodate a fairly reasonable sample size of over 50 students.
Bias
The bias that may result in this experiment includes voluntary response, where some students who know the vocabulary willingly respond and help us conduct the experiment , while those who distrust us decided to deliberately not answer any questions or not answer according to the test. Another type of bias includes students collaborating with one another and refusing to focus on the test. Therefore, the fact that the students did not take the test seriously affected the results.
The Vocabulary
Study for this test.
1. Forbearance: tolerance and self-control, patience
2. Impromptu: without