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How to write the description of the instrumentation section?



Description of the Research 

Instrumentation 


The description of the research instrumentation section of the project should present a detailed analysis and description of each questionnaire and test used in the project. Typically, two to three pages should be sufficient to describe each questionnaire. 

For each questionnaire, you should discuss each of the following points: 

1. What type of questionnaire is it? (Survey, etc.) 
2. A general description of the variable that the test measures. 
3. A description of the test length, then 1 time it takes to administer, the directions that are employed, anal how the testing administration differs from standardized methods of administration. 
4. A detailed description or definition of the subtests, if any. 
5. A thorough discussion of the instrument’s reliability. 
6. A thorough discussion of the instrument’s validity.

If your instrument does not have validity or reliability data, then your task is going to be even more difficult. In these cases, you will have to field test the instrument and demonstrate some index of validity or reliability. Typically, this field test will require one to two pages of explanation. You will have to write a mini-research paper on the field test which should contain the following: 

1. What subjects were used in the field test? (In many cases, the subjects that are used in the pre-test of a repeated measures design may suffice. 
2. What index of reliability was used? (For example, split-half, test-retest, etc.) 
3. What index of validity was used? (For example, construct, content, etc.) 
4. What was the result of the field test and what did you conclude? 

As a general reminder, keep it simple. The more complicated and convoluted your research becomes, the longer it will take you to complete the project and get that all-important degree.

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