response formats

Selecting response formats (i.e., the choices test-takers have to respond to test items) for test items is another crucial consideration when building a test. The first major response format consideration typically encountered is whether to require open-ended or closed-ended responses. The Rorschach inkblot test is an example of a test that elicits open-ended responses. There are practically no limits to what an examinee can say when responding to this test. At the other extreme are tests that require the examinee to choose between a very limited set of responses, such as true/false, yes/no, or multiple-choice tests, in which only one of several options is correct.

There are advantages and disadvantages to open-ended response formats. For instance, open-ended items can provide rich information, but developing a reliable scoring system is often difficult. Scoring systems for the Rorschach have developed over many decades, are difficult to learn, and their utility is controversial. Individually administered IQ tests, such as the Wechsler tests, contain open-ended items in which examinees are asked to define vocabulary words. Creating scoring criteria for each vocabulary word requires collection of typical responses, expert judgment, and assessment of scoring criteria for inter-rater reliability and accuracy. Test administrators need to have extensive training to correctly administer and score this test.

A very common and useful closed-ended response format is Likert scaling. This format asks for each item to be rated on a multipoint scale, typically, 1: Strongly disagree, 2: Disagree, 3: Neutral, 4: Agree, 5: Strongly agree. Variations include more or fewer points on the scale, different scale labels, rating of frequency vs. intensity, and inclusion or elimination of a neutral scale midpoint. Another consideration is whether to include reverse-scored items. For instance, an anxiety scale might include the item “I am nervous almost all of the time.” Giving the item a high rating, such as 4 (Agree) would indicate a higher anxiety level. You might also, however, include the item “I am usually calm” on your anxiety scale, so that a 4 would actually indicate a lower anxiety level. Reverse items are adjusted before statistically analyzing the scale by subtracting scores from one more than the highest rating on the scale. With a 5-point scale, ratings of a reverse-scored item would be subtracted from 6, so that 5 becomes 1, 4 become 2, etc.

Other response formats, such as ipsative (also called forced-choice) items are less common. These items ask the examinee to choose between options or to rank the desirability of various choices.

To prepare for this Discussion, consider the appropriateness of various response formats for the test you are proposing for your Final Project. Select two different response formats to use for this Discussion.

With these thoughts in mind:

Post by Day 4 a description of two different response formats. Then explain the pros and cons of each for measuring your Final Project construct of interest. Finally, justify the use of each format in terms of psychological appropriateness. Support your response using the Learning Resources and the current literature.

Be sure to support your postings and responses with specific references to the Learning Resources. Zero plagiarizing,, APA formatting, Quote work, No.coms

 
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