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PSYC 3002 Walden University Week 4 Correlation Research Paper
this is a follow up to the previous assignment. we have to document work and show how we work solutions if necessary step ...
PSYC 3002 Walden University Week 4 Correlation Research Paper
this is a follow up to the previous assignment. we have to document work and show how we work solutions if necessary step by step. I will attach data set for this assignment seperately.Assignment 2: CorrelationAs a consumer of research, you know that relationships are of critical importance. You must first know if a relationship exists between two variables before you can determine if one variable may account for another. In this week’s Learning Resources, you learned about correlations, which are used to determine if two variables are related to one another. You also learned that you cannot infer causation from a significant correlation alone. For example, you might find that years of education and salary are related, but that does not tell you if more education causes your salary to increase. In correlational studies, you cannot show that one variable causes a change in another variable. To determine causation, an experimental design is needed. However, correlations can demonstrate that as one variable increases, another tends to increase as well (positive relationship). You also may find that as one variable increases, the other tends to decrease (negative relationship). You may even find that there is no relationship at all between variables.Recall the researcher who investigated the relationship between hours of sleep and reaction times in the Week 4 Application. As a follow up to that study, the researcher wants to conduct a correlation to investigate further if there is a relationship between hours of sleep and reaction time. For this experiment, participants are allowed to sleep as much as they would like (that is, they are not assigned to sleep any specific number of hours). When 20 participants come to their appointment time, they report to the researcher how many hours of sleep they had the previous night. The researcher then tests their reaction times. You can find the data for this Assignment in the Weekly Data Set forum found in the Discussions area of the course navigation menu.By Day 7To complete this Assignment, submit your answers to the following. Use SPSS to determine if amount of sleep is related to reaction time.Before computing the correlation, state the null hypothesis and alternative hypothesis in words (not formulas).Based on the hypotheses you stated, explain whether the researcher should conduct a one-tailed or two-tailed test.Identify the correlation coefficient (r) for this data set using SPSS and report it in your answer document.State the degrees of freedom and explain how you calculated it by hand.Identify the p value using SPSS and report it in your answer document.Explain whether the researcher should retain or reject the null hypothesis.Are the results statistically significant? Explain how you know.Explain what the researcher can conclude about the relationship between amount of sleep and reaction times. Include a description of the direction (positive, negative, or no relationship) and strength (weak, moderate, or strong) of the relationship.Be sure to fully explain the rationale for your answer to each question, including evidence from the text and Learning Resources.Provide an APA reference list.Submit three documents for grading:Your text (Word) document with your answers and explanations to the assignment questions, your SPSS Data file, and your SPSS Output file.Submission and Grading InformationTo submit your completed Assignment for review and grading, do the following:Click the Week 4 Assignment 2 link. You will also be able to “View Rubric” for grading criteria from this area.Next, from the Attach File area, click on the Browse My Computer button. Find the first document you want to attach (your Word doc, SPSS Data file, or SPSS Output file) and click Open. Repeat this for the remaining two documents. If applicable: From the Plagiarism Tools area, click the checkbox for I agree to submit my paper(s) to the Global Reference Database.Click on the Submit button to complete your submission
MATH 143M SJSU Corresponding Dominant Eigen Value of Matrix MATLAB Coding Task
This project computes the two largest eigenvalues of a 50x50 matrix. You will use the usual Power Method to compute the l ...
MATH 143M SJSU Corresponding Dominant Eigen Value of Matrix MATLAB Coding Task
This project computes the two largest eigenvalues of a 50x50 matrix. You will use the usual Power Method to compute the largest eigenvalue. For the next largest eigenvalue, you can use an “Annihilation or Deflation or Shifting technique” discussed in class and also in our book. The matrix A is tridiagonal. Its main diagonal has ones on it. The super diagonal (the diagonal above the main diagonal) has negative-ones on it. The sub-diagonal (below the main diagonal) has negative-ones also. Our starting vector xo has all ones. Our tolerance is 0.01.Turn in the following on one page1) Draw Gershgorin Circles that contain the eigenvalues of A. Use “insert” from the menu to locate and draw circles.
2) Based on part (1), what is the spectral radius of A. Print your answer here: _______________3) With a starting vector xo= [1 1 1 1….1]T, apply the usual power method to estimate lmax , the dominant- eigenvalue of matrix A. Use a tolerance of 0.01. Print your answer with 4 decimals: ____________4) Print the number of iterations required to converge. ____________5) Use the deflation technique discussed in class to compute the second largest eigenvalue. Tolerance = 0.01 Print the second largest eigenvalue with 4 decimals: _________________6) Print the number of iterations required to converge. ___________7) Print your computer program here. As discussed in class, the main body of your program is 3 lines, so your program should not be long.
1 page
Week 2 Maths
1. How would you describe the difference between direct variation and joint variation Direct variation means that a variab ...
Week 2 Maths
1. How would you describe the difference between direct variation and joint variation Direct variation means that a variable Y grows linearly when ...
Sampling Distribution and Estimators Discussion
Please review Section 6.1-6.6. What would you want to study? If you could create a poll or survey, what would ...
Sampling Distribution and Estimators Discussion
Please review Section 6.1-6.6. What would you want to study? If you could create a poll or survey, what would your topic be?
Describe your population (the type of person you want), sample (n = ?), one to three questions you would ask, and how you would graph the results.
49 pages
Bus 352 Rs Benchmark Bodiddleytech Student
Benchmark - Ethical Behavior of Business Students at Bo Diddley Tech Analyze data using a tool and/or calculation(s).
Bus 352 Rs Benchmark Bodiddleytech Student
Benchmark - Ethical Behavior of Business Students at Bo Diddley Tech Analyze data using a tool and/or calculation(s).
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PSYC 3002 Walden University Week 4 Correlation Research Paper
this is a follow up to the previous assignment. we have to document work and show how we work solutions if necessary step ...
PSYC 3002 Walden University Week 4 Correlation Research Paper
this is a follow up to the previous assignment. we have to document work and show how we work solutions if necessary step by step. I will attach data set for this assignment seperately.Assignment 2: CorrelationAs a consumer of research, you know that relationships are of critical importance. You must first know if a relationship exists between two variables before you can determine if one variable may account for another. In this week’s Learning Resources, you learned about correlations, which are used to determine if two variables are related to one another. You also learned that you cannot infer causation from a significant correlation alone. For example, you might find that years of education and salary are related, but that does not tell you if more education causes your salary to increase. In correlational studies, you cannot show that one variable causes a change in another variable. To determine causation, an experimental design is needed. However, correlations can demonstrate that as one variable increases, another tends to increase as well (positive relationship). You also may find that as one variable increases, the other tends to decrease (negative relationship). You may even find that there is no relationship at all between variables.Recall the researcher who investigated the relationship between hours of sleep and reaction times in the Week 4 Application. As a follow up to that study, the researcher wants to conduct a correlation to investigate further if there is a relationship between hours of sleep and reaction time. For this experiment, participants are allowed to sleep as much as they would like (that is, they are not assigned to sleep any specific number of hours). When 20 participants come to their appointment time, they report to the researcher how many hours of sleep they had the previous night. The researcher then tests their reaction times. You can find the data for this Assignment in the Weekly Data Set forum found in the Discussions area of the course navigation menu.By Day 7To complete this Assignment, submit your answers to the following. Use SPSS to determine if amount of sleep is related to reaction time.Before computing the correlation, state the null hypothesis and alternative hypothesis in words (not formulas).Based on the hypotheses you stated, explain whether the researcher should conduct a one-tailed or two-tailed test.Identify the correlation coefficient (r) for this data set using SPSS and report it in your answer document.State the degrees of freedom and explain how you calculated it by hand.Identify the p value using SPSS and report it in your answer document.Explain whether the researcher should retain or reject the null hypothesis.Are the results statistically significant? Explain how you know.Explain what the researcher can conclude about the relationship between amount of sleep and reaction times. Include a description of the direction (positive, negative, or no relationship) and strength (weak, moderate, or strong) of the relationship.Be sure to fully explain the rationale for your answer to each question, including evidence from the text and Learning Resources.Provide an APA reference list.Submit three documents for grading:Your text (Word) document with your answers and explanations to the assignment questions, your SPSS Data file, and your SPSS Output file.Submission and Grading InformationTo submit your completed Assignment for review and grading, do the following:Click the Week 4 Assignment 2 link. You will also be able to “View Rubric” for grading criteria from this area.Next, from the Attach File area, click on the Browse My Computer button. Find the first document you want to attach (your Word doc, SPSS Data file, or SPSS Output file) and click Open. Repeat this for the remaining two documents. If applicable: From the Plagiarism Tools area, click the checkbox for I agree to submit my paper(s) to the Global Reference Database.Click on the Submit button to complete your submission
MATH 143M SJSU Corresponding Dominant Eigen Value of Matrix MATLAB Coding Task
This project computes the two largest eigenvalues of a 50x50 matrix. You will use the usual Power Method to compute the l ...
MATH 143M SJSU Corresponding Dominant Eigen Value of Matrix MATLAB Coding Task
This project computes the two largest eigenvalues of a 50x50 matrix. You will use the usual Power Method to compute the largest eigenvalue. For the next largest eigenvalue, you can use an “Annihilation or Deflation or Shifting technique” discussed in class and also in our book. The matrix A is tridiagonal. Its main diagonal has ones on it. The super diagonal (the diagonal above the main diagonal) has negative-ones on it. The sub-diagonal (below the main diagonal) has negative-ones also. Our starting vector xo has all ones. Our tolerance is 0.01.Turn in the following on one page1) Draw Gershgorin Circles that contain the eigenvalues of A. Use “insert” from the menu to locate and draw circles.
2) Based on part (1), what is the spectral radius of A. Print your answer here: _______________3) With a starting vector xo= [1 1 1 1….1]T, apply the usual power method to estimate lmax , the dominant- eigenvalue of matrix A. Use a tolerance of 0.01. Print your answer with 4 decimals: ____________4) Print the number of iterations required to converge. ____________5) Use the deflation technique discussed in class to compute the second largest eigenvalue. Tolerance = 0.01 Print the second largest eigenvalue with 4 decimals: _________________6) Print the number of iterations required to converge. ___________7) Print your computer program here. As discussed in class, the main body of your program is 3 lines, so your program should not be long.
1 page
Week 2 Maths
1. How would you describe the difference between direct variation and joint variation Direct variation means that a variab ...
Week 2 Maths
1. How would you describe the difference between direct variation and joint variation Direct variation means that a variable Y grows linearly when ...
Sampling Distribution and Estimators Discussion
Please review Section 6.1-6.6. What would you want to study? If you could create a poll or survey, what would ...
Sampling Distribution and Estimators Discussion
Please review Section 6.1-6.6. What would you want to study? If you could create a poll or survey, what would your topic be?
Describe your population (the type of person you want), sample (n = ?), one to three questions you would ask, and how you would graph the results.
49 pages
Bus 352 Rs Benchmark Bodiddleytech Student
Benchmark - Ethical Behavior of Business Students at Bo Diddley Tech Analyze data using a tool and/or calculation(s).
Bus 352 Rs Benchmark Bodiddleytech Student
Benchmark - Ethical Behavior of Business Students at Bo Diddley Tech Analyze data using a tool and/or calculation(s).
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