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**HLT 540 Grand Canyon Week 6 Complete Work**

**HLT 540 Grand Canyon Week 6 Discussion 1**

Discuss the differences between the concepts of correlation and causality, and why it is critically important to make sure that the differences are understood?

**HLT 540 Grand Canyon Week 6 Discussion 2**

What are the indicators for using a t-test? Create a research scenario in which it would be correct to use a t-test, including the research question, sample size, and dependent and independent variables.

**HLT 540 Grand Canyon Week 6 Assignment 1**

**Yeung Analysis**

**Details:**

1) Refer to “The Use of Electro-Acupuncture in Conjunction with Exercise for the Treatment of Chronic Low-Back Pain” by Yeung, Leung, and Chow.

2) Complete “Yeung Analysis Worksheet.”

3) Examine the question the researchers were trying to answer and write an essay (500-750 words) that explains why you feel the t-test was chosen. Choose one of the other tools studied so far in this course and explain why it would not provide relevant findings.

4) Prepare this assignment according to the APA guidelines found in the APA Style Guide, located in the Student Success Center. An abstract is not required.

5) This assignment uses a grading rubric. Instructors will be using the rubric to grade the assignment; therefore, students should review the rubric prior to beginning the assignment to become familiar with the assignment criteria and expectations for successful completion of the assignment.

Yeung Analysis Worksheet

What was the research question?

What were the independent variables?

What was the dependent variable?

What was the sample size and how was it chosen?

What was the experimental design and use of control group?

Were the instruments of measurement shown to be reliable and valid?

What data types were included?

Describe the statistics used, what they were used for, and the results.

What were the researchers’ conclusions? How did they answer the research question(s)?

How was error controlled?

Did you see any concerns with the research study? If so, what?

**HLT 540 Grand Canyon Week 6 Assignment 2**

**Correlation between Two Variables**

**Details:**

Use Excel to do a correlation between the following variables:

1) X – 2,5,5,6,6,7,8,9

2) Y – 1,2,2,3,4,4,5,5

This assignment uses a grading rubric. Instructors will be using the rubric to grade the assignment; therefore, students should review the rubric prior to beginning the assignment to become familiar with the assignment criteria and expectations for successful completion of the assignment.

**HLT 540 Grand Canyon Week 6 Assignment 3**

**T-Test for Two Sample**

**Details:**

A drug company is measuring levels of oxygenation in patients after receiving a test medication. As the researcher, you are interested in whether Group I, which received the medication, has the same oxygenation levels as Group II, which did not

1) Group 1: 2,3,3,4,4,7,8,9

2) Group 2: 1,2,2,3,4,4,5,5,6,8

Use Excel to run a t-test for two samples, assuming equal variances, with an alpha value of 0.05. Run the t-test and note:

1) Are you doing a one-tailed test or a two-tailed test (Excel will give you both)?

2) What is the probability that Group I is different from Group 2, using the p value? Is it significant against the benchmark of p < .05?

APA format is not required, but solid academic writing is expected.

This assignment uses a grading rubric. Instructors will be using the rubric to grade the assignment; therefore, students should review the rubric prior to beginning the assignment to become familiar with the assignment criteria and expectations for successful completion of the assignment.

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