patients were assigned to one of three groups: (1) a group treated with triidothyronine, (2) a group treated with normal saline bolus and dopamine, and (3) a placebo group given normal saline. The authors summarize the sample design as a “prospective, randomized, double-blind, placebo-controlled trial.” Describe the meaning of each of the following terms in the context of this study: a. prospective
b. randomized c. double-blind d. placebo-controlled 15. Find a professional journal with an article in AAU’s LIRN library that uses a statistical analysis of an experiment and answer the following: a. Cite the article. b. Describe and comment on the design of the experiment. c. Identify one particular issue and determine whether the result was found to be statistically significant. d. Determine whether that same result has practical significance.
Note: Please visit the Academic Resource Center for a helpful guide on how to use LIRN. PART II: PROJECT Directions : This assignment is a course-long project whereby you will work on the project in each module. You will turn in your completed project at the end of Module 8. Create a survey question to ask others. The following are examples or some survey questions: 1. Choose a random number between 1 and 10 inclusive. 2. What month of the year does your birthday fall on?
Write the numeric value from 1 to 12. 3. How many keys are in your possession at this time? 4. How many siblings do you have? In Module 1, you will submit your survey question to your instructor for approval. Once you are notified of its approval, you may begin conducting a survey using your question. You will need at least 25 participants and will need to keep the following record for each person: a. Gender b. Age
c. Date surveyed d. Survey response Please also keep a count, if any, non-willing participants. For example, if you chose the first survey question, then you might have the following records: Participant # Gender Age Date Surveyed Survey Response
1 M 18 12/10/12 5 2 F 42 12/15/12 8
3 M 34 12/17/12 1 In the Module 8 Homework Assignment, you will be asked to analyze your survey results, so please be sure to begin conducting your survey as soon as your question is approved. Try getting 5 participants a week to satisfy the required number of participants. mat130module2.docx
[INSERT TITLE HERE] 1 Running head: [INSERT TITLE HERE] [INSERT TITLE HERE] Student Name Allied American University
Author Note This paper was prepared for [INSERT COURSE NAME], [INSERT COURSE ASSIGNMENT] taught by [INSERT INSTRUCTOR’S NAME]. PART I: SHORT RESPONSE 1. A Harris Interactive survey involved 1644 people between the ages of 8 years and 18 years. The accompanying table summarizes the results. Downloaded Material Percent
Music 32% Games 25% Software 14% Movies 10% a. Does this table describe a relative frequency distribution?
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- Elementary Statistics