Question

You are asked to improve a test measuring a construct of your choice. First, identify the construct the test is measuring. Then, describe what you would do to improve the test and why. What method of estimating reliability would you use for your test and why? (Note: not every reliability method is appropriate for every type of test!)
Please come up with three examples of what you believe has caused past errors in your test score. Next, classify each source of error as a method error or trait error, and whether or not you believe this had a negative or positive effect on the obtained score
I need at least one outside reference.

Answer 1

The examples of construct that the research test can be measuring include:

• How often does one make eye contact with others?
• Do you prefer having a smaller group of friends or larger group?

What is construct validity?

It should be noted that construct validity simply means the extent to which a test accurately assesses what it's meant to assess.

The way to improve the test is to ensure that the measurements and indicators are carefully developed based on the existing knowledge.

The method of estimating reliability that would be used for the test is the split-half method. This is important as it assesses the internal consistency of a test.

The examples of error that can be witnessed on the test include procedural error, environmental error, and human error.

Lastly, trait error is the error that is attributed to the individual which brings about the difference between the true and observed scores while method error is the error that occurs in measurement such that the value obtained is different from the actual value.

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