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?:abstract
  • Examinees may omit responses on a test for a variety of reasons, such as low ability, low motivation, lack of attention, or running out of time. Some decision must be made about how to treat these missing responses for the purpose of scoring and/or scaling the test, particularly if there is an indication that missingness is not skill related. The most common approaches are to treat the responses as either not reached/administered or incorrect. Depending on the total number of missing values, coding all omitted responses as incorrect is likely to introduce negative bias into estimates of item difficulty and examinee ability. On the other hand, if omitted responses are coded as not reached and excluded from the likelihood function, the precision of estimates of item and person parameters will be reduced. This study examines the use of response time information collected in many computer- based assessments to inform the coding of omitted responses. Empirical data from the Programme for the International Assessment of Adult Competencies (PIAAC) literacy and numeracy cognitive tests are used to identify item-specific timing thresholds via several logistic regression models that predict the propensity of responding rather than produce a missing data point. These thresholds can be used to inform the decision about whether an omitted response should be treated as not administered or as incorrect. The results suggest that for many items the timing thresholds (20 to 30 seconds on average) at a high expected probability level of observing a response are notably higher than thresholds used in the evaluation of rapid guessing of responses (e.g. 5 seconds). (xsd:string)
?:author
?:comment
  • http://www.psychologie-aktuell.com/fileadmin/download/ptam/4-2016_20161219/06_Weeks.pdf. (PIAAC) (xsd:string)
?:dataSource
  • PIAAC-Bibliography (xsd:string)
?:dateModified
  • 2016 (xsd:gyear)
?:datePublished
  • 2016 (xsd:gyear)
?:duplicate
?:fromPage
  • 671 (xsd:string)
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?:inLanguage
  • english (xsd:string)
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?:issueNumber
  • 4 (xsd:string)
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?:name
  • Using response time data to inform the coding of omitted responses (xsd:string)
?:publicationType
  • article (xsd:string)
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  • Bibsonomy (xsd:string)
  • In Psychological Test and Assessment Modeling, 58(4), 671-701, 2016 (xsd:string)
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  • PIAAC - Programme for the International Assessment of Adult Competencies (xsd:string)
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  • 2016 (xsd:string)
  • FDZ_PIAAC (xsd:string)
  • PIAAC (xsd:string)
  • PIAAC_input2016 (xsd:string)
  • PIAAC_pro (xsd:string)
  • article (xsd:string)
  • checked (xsd:string)
  • english (xsd:string)
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  • 701 (xsd:string)
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?:volumeNumber
  • 58 (xsd:string)