descriptive article statistics critique

Evaluate a graphic of a normal curve example using the IQ example below.

Bell Curve of IQ Example

You have some students in a class that took the Stanford-Binet IQ test. Note that the mean is considered the “average” and each standard deviation above the mean is positive, and below is negative. Using the distribution curve above, answer the following questions about some students from a hypothetical class:

  1. Student A has a score of 112. Within how many standard deviations from the mean would their score fall under? Would it be above or below the average?
  2. Student B has a score of 92. Within how many standard deviations from the mean would their score fall under? Would it be above or below the average?
  3. Student C has a score of 101. Within how many standard deviations from the mean would their score fall under? Would it be above or below the average?
  4. Student D has a score of 131. Within how many standard deviations from the mean would their score fall under? Would it be above or below the average?
  5. Student E has a score of 82. Within how many standard deviations from the mean would their score fall under? Would it be above or below the average?

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Assignment

Graded

Descriptive Statistics Article Critique

Please be sure to follow the instructions and review the provided grading rubric carefully.

For this assignment, you will review and critique a published research article from Unit 4, “Application of Descriptive Statistics in Monitoring Climatic Factors,” where you will focus on the descriptive statistics described in the Methods and Results sections. The article is a simple study with descriptive statistics.

Instructions: Read or reread the article, “Application of Descriptive Statistics in Monitoring Climatic Factors” and identify the research variables and approach to studying them. As you read the article, consider the following questions: What are the variables (sample sizes, population, treatments, etc.)? What are the descriptive statistics used in this article (frequencies, means, etc.)? What do the descriptive statistics the authors presented tell us about the variables of interest?

Writing the Article Critique

Your paper must address the following:

  • Begin with an introduction in which you determine what question(s) the authors are trying to answer through this research.
  • Explain the variables being assessed and the concepts which were applied in this process. What was the sampling method?
  • Critique the statistical analysis employed in the study.
    • Would you have included more and/or different variables? Explain your answer.
  • Examine the assumptions and limitations of the statistical study.
    • What would you have done differently in this case? Why?
  • Explain how the authors applied statistical analyses to the problem.
  • Conclude by interpreting the author(s)’ findings and explain your answer using statistical concepts.

Your paper must be two to three pages in length (not including the title and reference pages) and include

  • A title page with the following:
    • Title of paper
    • Name
    • Course name and number
    • Instructor’s name
    • Date
  • An introduction and a conclusion paragraph.
  • A separate references page. You must use at least one scholarly, peer-reviewed, or credible source, in addition to the course required readings. It is important that the paper is in proper APA format. Refer to the General APA Guidelines from Purdue Owl or The Basics of APA Stylefor more information.

Review the rubric to ensure you understand how you will be evaluated on this assignment: Unit 4 Rubric