New PDF release: Applied Measurement with jMetrik

By J. Patrick Meyer

ISBN-10: 0415531950

ISBN-13: 9780415531955

jMetrik is a working laptop or computer application for enforcing classical and sleek psychometric equipment. it really is designed to facilitate paintings in a construction atmosphere and to make complex psychometric tactics available to each dimension practitioner. Applied dimension with jMetrik reviews psychometric concept and describes the way to use jMetrik to behavior a finished psychometric research. every one bankruptcy specializes in a subject in dimension, describes the stairs for utilizing jMetrik, and offers a number of examples of carrying out an research at the subject. options and information for perform is equipped through the book.

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Example text

A white space is treated as a legitimate text value, but not a legitimate numeric value. Therefore, the white space is only converted to a null value for numeric variables. 2 Because white spaces can be problematic, you should remove them before doing an import. Open the delimited file in a plain text editor such as Notepad. e. “, ”), and replace it with nothing. 2 ITEM SCORING A database table in jMetrik may contain a variety of data types, such as demographic variables and test items. All variables are initially treated as either text or numbers and are listed as a “Not Item” on the Variables tab.

Details of these steps are described in the next few paragraphs. 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.

You may choose to treat all of them as missing and ignore them during an analysis. Or, you may score the missing and omitted responses as 0 points while ignoring the not reached responses. Your choices for handling missing, omitted, and not reached responses will differ according to the options available for the method of analysis you are using. More information about these options is available in subsequent chapters that describe details for each type of analysis. However, omitted and not reached codes are not fully implemented in version 3.

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Applied Measurement with jMetrik by J. Patrick Meyer


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