final exam notes chapter 6, 18, 9, 10.rtf

final exam notes chapter 6, 18, 9, 10.rtf - Chapter 18...

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Chapter 18 : textbook : How to develop a test November 3, 2013 5:54 AM Validity of test score interpretations is the crux of quality of any test o Begins with the process of test development o Not purely psychometric or idealized : stems from the desire to understand how tests are developed o Focus on how commercial tests are developed PHASE ONE : CONCEPTUALIZATION : CONDUCT A REVIEW OF LITERATURE AND DEVELOP A STATEMENT OF NEED FOR THE TEST: o Test construction begins with : Defining a need in the proession o May also need to measure a construct in which tests already exist but their quality is suspect o Test may assess clinically useful constructs BUT also be impractical for real world clinical application Ex: sensation seeking Initial tests were very long and was not used until a condensed version was released o Standardization samples can become dated and inapplicable to current examinees Author may have lost interest in updating the test Creates a new opportunity for test development o Measurement is a set of rules for assigning numbers to objects, events or behaviours NEW CONSTRUCTS CAN BE DEFINED: usually derived from theoretical observations and then studied o Is always a need for new tests whether it is to modernize existing instruments or to measure new constructs
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2 questions to ask in regards to the need for the assessment : 1 Will the test I am developing improve practice or research? 2 Will it enhance the human condition or our understanding ? DESCRIBE THE PROPOSED USE AND INTERPRETATIONS OF RESULTS FROM THE TEST : o Assuming the test is well developed, how will it be used What setting What purpose o If you can't answer: It is likely that your conceptualization of the test and constructs you intended to measure to too vague o Ex: used in military screening : needs to be accurate DETERMINE WHO WILL USE THE TEST AND WHY : o Tests should be designed with specific users in mind Know who you expect to use the test before developing it o For most clinical test : licensure and certification requirements are in place o All test manuals should include : a section that explains the expectations of the test makers Also helpful to determine which individuals in what setting are most likely to find the proposed test helpful in their role o Should flow from the purpose of the test o AND o Proposed interpretations of the results Knowing the potential user results in design changes : related to the complexity of the tests admin, scoring and interpretation DEVELOP CONCEPTUAL AND OPERATIONAL DEFINITIONS OF CONSTRUCTS Putting a construct into words: o Ensures that we understand it , allows others to see our intended meaning
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Several rewrites are usually necessary Is very important to define them because everyone interprets constructs differently o Two types of definitions : Conceptual: Explains the construct at a theoretical level - uses interpretive words -tells you what it is you want to measure in the abstract Operational:
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  • Fall '16
  • Finance, representative, c. Who, test score interpretations

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