Student researchers at Hope College conducted an experiment to determine whether students memorize material better if they are taking notes on paper using handwriting as opposed to taking notes on a computer. They randomly assigned 20 students to the paper-based note-taking group and 20 students to the computer-based note-taking group. They showed all their subjects a 12-minute video about the sun and they were allowed to take notes in the method they were assigned. After the video was over, the notes were collected, and the students were given a 10-question quiz over information about the sun given in the video. Do students tend to memorize better using hand-written notes? (The results data are in the file NoteTaking.)
Student researchers at Hope College conducted an experiment to determine whether students memorize material better if they are taking notes on paper using handwriting as opposed to taking notes on a computer. They randomly assigned 20 students to the paper-based note-taking group and 20 students to the computer-based note-taking group. They showed all their subjects a 12-minute video about the sun and they were allowed to take notes in the method they were assigned. After the video was over, the notes were collected, and the students were given a 10-question quiz over information about the sun given in the video. Do students tend to memorize better using hand-written notes? (The results data are in the file NoteTaking.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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Student researchers at Hope College conducted an experiment to determine whether students memorize material better if they are taking notes on paper using handwriting as opposed to taking notes on a computer. They randomly assigned 20 students to the paper-based note-taking group and 20 students to the computer-based note-taking group. They showed all their subjects a 12-minute video about the sun and they were allowed to take notes in the method they were assigned. After the video was over, the notes were collected, and the students were given a 10-question quiz over information about the sun given in the video. Do students tend to memorize better using hand-written notes? (The results data are in the file NoteTaking.)
Transcribed Image Text:## Statistical Analysis of Quiz Scores
### (a) Standardized Statistic Calculation
Use the Multiple Means applet to create a null distribution and calculate a standardized statistic. Please round your answer to two decimal places, for example, 0.29.
- **Standardized Statistic = -1.27**
### (b) Interpretation of the Standardized Statistic
Explain what your statistic from part (a) means in context:
- The chosen explanation: The answer to part (a) represents the number of standard deviations that the difference between the average quiz scores (taking notes on paper - taking notes on computer) is **below 1.425**.
### (c) Evidence Analysis of Quiz Score Differences
Evaluate whether there is strong evidence of a difference in the quiz scores between the two types of note-taking groups, based on your calculated statistic.
- The selected response: **No, there is not strong evidence of a difference in the mean quiz scores between the two types of note-taking groups because the standardized statistic is close to 0.**
### Summary
The exercise demonstrates how to utilize standardized statistics to analyze experimental data, focusing on the impact of different note-taking methods on quiz performance. The initial calculation reveals a standardized statistic of -1.27, which suggests that the observed difference in means is not sufficiently beyond the expected variation under the null hypothesis, indicating weak evidence of a difference between the groups.
Transcribed Image Text:### Data Transcription
The table below shows the scores obtained using two different methods: "Paper" and "Computer." Each method's scores are listed for comparison.
| Method | Score |
|----------|-------|
| Paper | 5.5 |
| Paper | 5.5 |
| Paper | 7 |
| Paper | 6.5 |
| Paper | 7.5 |
| Paper | 5 |
| Paper | 8.5 |
| Paper | 6 |
| Paper | 7.5 |
| Paper | 8 |
| Paper | 6.5 |
| Paper | 7.5 |
| Paper | 7 |
| Paper | 9 |
| Paper | 7 |
| Paper | 6 |
| Paper | 8.5 |
| Paper | 6.5 |
| Paper | 7 |
| Paper | 6.5 |
| Computer | 8 |
| Computer | 7.5 |
| Computer | 3.5 |
| Computer | 3.5 |
| Computer | 8.5 |
| Computer | 5 |
| Computer | 1 |
| Computer | 5.5 |
| Computer | 4 |
| Computer | 7 |
| Computer | 8 |
| Computer | 7 |
| Computer | 4 |
| Computer | 5 |
| Computer | 4.5 |
| Computer | 5 |
| Computer | 5 |
| Computer | 7 |
| Computer | 3 |
| Computer | 7.5 |
### Explanation
This dataset shows the results of assessments conducted using two distinct methods, "Paper" and "Computer." Each row represents a score obtained via one of the methods. The data can be used to analyze the effectiveness or preference of one method over the other based on the scores achieved.
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