Chapter 6 textbook.docx

Chapter 6 textbook.docx - Chapter 6 textbook Item...

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Chapter 6 textbook : Item Development Anchor 2 ends of a continuum o o Max performance: o Should be no disagreement - scored correct or incorrect easily typical response tests Essay o Can be some disagreement are subjective in development projective personality tests Limtiations to objective - subjection : o Short answer items are they subjective or objective ? Objective - but scoring is subjective More direct approach: o Classify items as either selected - response or constructed response Selected response: Test requires an examinee to select a response from many possible outcomes construct Tests requires individual to create or construct a response Selected: o Benefits:- Can respond to a lot in a short matter of time Inclusion of a large number of items : enhances measurement characteristics Scored efficient, objective and reliable manner Can often use a computer Items are flexible and can be used to asses a wide range of constructs with great varying levels of complexity Decrease influence of certain construct irrelevant factors that can impact test score
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limitations Items are challenging to write : more time and effort to write Some constructs cannot be measured using this type of response Items are subject to blind guessing and random response Constructed : short answer, essay, interview, oral examination Essays: can be restricted or extended response Restricted: Highly structured extended Less structured Performance assessments: require examinees to complete a process and produce a product in a context that closely resembles real life o Benefits: Easier to write and develop Well suited for higher order cognitive abilities assessment Eliminates blind guessing o Limitations: Take longer for examinees to complete More difficult to score in a reliable manner Vulnerable to feigning : Feigning: Do not know the actual response so they feign a response that su response o Vulnerable to the influence of extraneous or construct irrelevant factors Key factor in selecting o Identifying the format that most directly measures the construct ! MAXIMUM PERFORMANCE TESTS : MULTIPLE CHOICE Use a format that makes the item as clear as possible : o Item-stem should be numbered for easy identifications : alternatives identified with letters o No need to capitalize the beginning of alternatives o Keep alternatives in a vertical list
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