Analyze a journal article in your career specialization that reports one of these statistical tests: correlation, t-tests, and one-way analysis of variance (ANOVA). In a maximum of 600 words using the DAA Template, provide a summary of the research study, identify the variables, articulate the research question and hypotheses, interpret the test statistic, and provide conclusions as well as the strengths and limitations of the study.
Note: Completing this journal article summary requires the knowledge and experience gained from completing the other four assessments in this course. Therefore, you must complete these assessments prior to beginning work on Assessment 5.
The intent of this assessment is to:
- Expose you to professional literature in your discipline.
- Provide practice in the interpretation of statistical results contained in an empirical (data-based) journal article.
- Provide practice in writing and thinking in a concise and economical manner that is typical of scientific discourse.
As you prepare to complete this assessment, you may want to think about other related issues to deepen your understanding or broaden your viewpoint. You are encouraged to consider the questions below and discuss them with a fellow learner, a work associate, an interested friend, or a member of your professional community. Note that these questions are for your own development and exploration and do not need to be completed or submitted as part of your assessment.
APPLICATION OF STATISTICS
- How would you evaluate your current level of statistics anxiety relative to your initial level while working on your first assessment of the course?
- How has your view of statistics changed from the beginning of the course?
- How can you use statistics in your career.
- Do you have a different perception than you initially did?
The following resources are required to complete the assessment.
FOR THIS ASSESSMENT, YOU WILL IDENTIFY A PUBLISHED RESEARCH ARTICLE EITHER IN THE PRINT LITERATURE OR ONLINE IN THE UNIVERSITY LIBRARY. YOUR ARTICLE MUST BE BASED ON EMPIRICAL (DATA-BASED) RESEARCH; QUALITATIVE OR PURELY DESCRIPTIVE RESEARCH IS NOT APPROPRIATE. SELECT A JOURNAL ARTICLE IN YOUR CAREER SPECIALIZATION THAT REPORTS A CORRELATION, A T-TEST, A ONE-WAY ANOVA, OR SOME COMBINATION OF THESE TEST STATISTICS. THE LIBRARY GUIDES LISTED IN THE RESOURCES AREA CAN HELP YOU TO LOCATE APPROPRIATE ARTICLES.THE INTENT OF THIS ASSESSMENT IS TO:EXPOSE YOU TO PROFESSIONAL LITERATURE IN YOUR DISCIPLINE.PROVIDE PRACTICE IN THE INTERPRETATION OF STATISTICAL RESULTS CONTAINED IN AN EMPIRICAL (DATA-BASED) JOURNAL ARTICLE.PROVIDE PRACTICE IN WRITING AND THINKING IN A CONCISE AND ECONOMICAL MANNER THAT IS TYPICAL OF SCIENTIFIC DISCOURSE.YOU WILL SUMMARIZE THE ARTICLE IN A MAXIMUM OF 600 WORDS USING THE DAA TEMPLATE LOCATED IN THE RESOURCES AREA UNDER THE REQUIRED RESOURCES HEADING. SPECIFIC INSTRUCTIONS FOR COMPLETING EACH SECTION OF THE DAA TEMPLATE ARE LISTED BELOW.YOU MAY USE SOME OF THE AUTHOR’S OWN WORDS TO SUMMARIZE THE ARTICLE WITH PROPER CITATION, BUT AVOID LENGTHY DIRECT QUOTES (SUCH AS COPYING MULTIPLE SENTENCES OR PARAGRAPHS VERBATIM). YOU SHOULD NOT EXCEED THE LIMIT OF 600 WORDS. THIS IS A SITUATION WHERE LESS IS BETTER.
Step 1: Write Section 1 of the DAA
PROVIDE A BRIEF SUMMARY OF THE JOURNAL ARTICLE.INCLUDE A DEFINITION OF THE SPECIFIED VARIABLES (PREDICTOR, OUTCOME) AND CORRESPONDING SCALES OF MEASUREMENT (NOMINAL, CONTINUOUS).SPECIFY THE SAMPLE SIZE OF THE DATA SET.DISCUSS WHY THE JOURNAL ARTICLE IS RELEVANT TO YOUR CAREER SPECIALIZATION.
Step 2: Write Section 2 of the DAA
DISCUSS THE ASSUMPTIONS OF THE STATISTICAL TEST USED IN THE JOURNAL ARTICLE.IF POSSIBLE, IDENTIFY INFORMATION IN THE ARTICLE ABOUT HOW THESE ASSUMPTIONS WERE TESTED.IF NO INFORMATION ON ASSUMPTIONS IS PROVIDED, CONSIDER THIS AS A LIMITATION OF THE REPORTED STUDY.
Step 3: Write Section 3 of the DAA
SPECIFY THE RESEARCH QUESTION FROM THE JOURNAL ARTICLE.ARTICULATE THE NULL HYPOTHESIS AND ALTERNATIVE HYPOTHESIS.
Step 4: Write Section 4 of the DAA
REPORT THE RESULTS OF THE STATISTICAL TEST USING PROPER APA GUIDELINES. THIS INCLUDES:THE STATISTICAL NOTATION (SUCH AS R, T, OR F).THE DEGREES OF FREEDOM.THE STATISTICAL VALUE OF R, T, OR F, AND THE P VALUE.REPORT THE EFFECT SIZE AND INTERPRETATION IF ONE IS PROVIDED.INTERPRET THE TEST STATISTIC WITH REGARD TO THE NULL HYPOTHESIS.
Step 5: Write Section 5 of the DAA
DISCUSS THE CONCLUSIONS OF THE STATISTICAL TEST AS IT RELATES TO THE RESEARCH QUESTION.CONCLUDE WITH AN ANALYSIS OF THE STRENGTHS AND LIMITATIONS OF THE STUDY REPORTED IN THE JOURNAL ARTICLE.
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