Applied Measurement with jMetrik by J. Patrick Meyer

By J. Patrick Meyer

jMetrik is a working laptop or computer software for enforcing classical and glossy psychometric equipment. it truly is designed to facilitate paintings in a construction atmosphere and to make complex psychometric tactics obtainable to each dimension practitioner. Applied dimension with jMetrik reviews psychometric conception and describes how you can use jMetrik to behavior a accomplished psychometric research. every one bankruptcy makes a speciality of a subject matter in dimension, describes the stairs for utilizing jMetrik, and offers a number of examples of undertaking an research at the subject. ideas and suggestions for perform is equipped through the book.

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Example text

That result confirms that we applied the item scoring correctly. 01. 4 illustrates the distribution of scores in a histogram. To compute percentile ranks, repeat the steps for starting the Test Scaling dialog and selecting all of the test items. Name the new variable prank, and select Percentile Ranks from the Score Type drop-down menu. 4╇ Histogram of exam1 sum scores Test Scaling╅ 37 to the table and displays a sum score to percentile rank conversion table in the output. 38. This score indicates that examinee 1 did better than 63% of examinees taking this test.

Start the Advanced Item Scoring dialog by clicking Transform  Advanced Item Scoring. 8 will appear and allow you to score each item. 8 21 Advanced Item Scoring dialog score column. This information tells jMetrik that 1 point is awarded for a response of “A”. Suppose now that option “B” is incorrect. Type “B” (without quotes) in the option column of the next row, and type “0” in the score column of the same row. This information tells jMetrik that a response of “B” is awarded 0 points. Continue with the remaining response options in a similar fashion.

3). This dialog provides options for creating ranks, rank-based groups, and normal scores. To start this dialog, click Transform → Ranking. In the Variable Selection panel, choose the numeric variable for which you would like to compute the new scores. Type a name for the new variable in the New Variable Name text field, and then select the type of score you would like to produce. The Ntiles option assigns examinees to one of N quantile groups. 3╇ Rank Values dialog option is five, then jMetrik will create five groups with each one containing 20% of the examinees.

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