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Directions: This assignment is designed to help you synthesize relevant statistics required to complete research. This is to be completed in groups (depending on total

Directions:

This assignment is designed to help you synthesize relevant statistics required to complete research. This is to be completed in groups (depending on total # of students), using whatever statistical texts you choose. You must refer to statistics textsdo not answer the questions off the top of your head. Please review the following directions to format your presentations.After you have completed questions 1-3, make a PowerPoint, presenting on your information.

Each group will answer the following three (3) questions:

  1. There are two main aspects of a scale's reliability.
    1. Describe these two aspects and how they are measured.
    2. What are the recommended minimum values for a scale to be considered reliable?

  1. There are many different types of validity discussed in relation to psychological scales and tests.
    1. Describe what you consider to be the four main types of scale validity.
    2. How is each of these aspects measured?
    3. Give examples from the scales that you will be using in your study, if you know. Otherwise, leave blank.

3.You will use a variety of different statistical techniques in your research. These include:

  • descriptive statistics
  • t-tests
  • correlation (both Pearson product-moment correlation and partial correlation)
  • multiple regression
  • analysis of variance
  • multivariate analysis of variance
  • Chi-square.

For your assigned technique(s), answer the following questions:

(a) What sort of research question is the technique designed to address? Use examples from your own literature area where possible.

(b) How many variables are involved and what level of scaling is required (nominal, ordinal, interval etc.) for each variable?

(c) What are the statistical assumptions (e.g., normal distribution of scores) underlying this approach?

(d) What values (e.g., t-value) do you obtain from the analysis? What is the possible range of values? How do you interpret the results?

(e) How would you present the results of the analyses in your report or thesis? Give examples from articles that you have obtained on your topic.

Capture the information in a table format below based on your Group #. The table below incorporates the posed questions above. This will be a great resource for you to keep as you progress in the completion of your DNPP. This assignment is due by the end of Unit 6.

Group # Statistic Type Question (a) Question (b) Question (c) Questions (d) Question ( e)
1 Descriptive Statistics
2 T-tests
3 Correlation: Pearson's product-moment correlation
4 Correlation: Partial Correlation
5 Multiple Regression
6 Analysis of Variance
7 Multivariate Analysis of Variance
8 Chi-Square

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