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Related Concept Videos

Surveys02:16

Surveys

Often, psychologists develop surveys as a means of gathering data. Surveys are lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally. Generally, the survey itself can be completed in a short time, and the ease of administering a survey makes it easy to collect data from a large number of people.
Reliability and Validity01:29

Reliability and Validity

Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
Binet's Contribution to Measures of Intelligence01:23

Binet's Contribution to Measures of Intelligence

Alfred Binet, along with his student Théophile Simon, was tasked by the French Ministry of Education in 1904 to create a method for identifying students who struggled to learn through conventional classroom instruction. This initiative aimed to address overcrowding by placing such students in specialized schools. Binet and Simon developed an intelligence test comprising 30 tasks, ranging from simple commands, like touching one's nose or ear, to more complex tasks, such as drawing designs from...
Self-Report Tests of Personality01:22

Self-Report Tests of Personality

Self-report inventories are objective personality assessments that use multiple-choice items or numbered scales, typically ranging from 1 (strongly disagree) to 5 (strongly agree). They are often called Likert scales after Rensis Likert. These inventories are widely used due to their ease of administration and cost-effectiveness. One of the most prominent examples is the Minnesota Multiphasic Personality Inventory (MMPI), initially developed in the 1940s to assess abnormal personality traits.

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Computerized Adaptive Testing System of Functional Assessment of Stroke
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Published on: January 7, 2019

Methodological issues for building item banks and computerized adaptive scales.

David Thissen1, Bryce B Reeve, Jakob Bue Bjorner

  • 1University of North Carolina at Chapel Hill, Chapel Hill, NC, USA. dthissen@email.unc.edu

Quality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation
|February 13, 2007
PubMed
Summary

This review covers key methods for creating item banks and computerized adaptive tests (CATs). It discusses essential factors like population, scale type, and local dependence for accurate health outcomes assessment.

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Area of Science:

  • Psychometrics
  • Health Outcomes Research
  • Educational Measurement

Background:

  • Item banks and computerized adaptive tests (CATs) are increasingly used in health outcomes research.
  • Developing robust CATs requires careful consideration of numerous methodological factors.

Purpose of the Study:

  • To review critical methodological considerations for developing item banks and CATs.
  • To highlight challenges and innovative approaches in CAT development for health outcomes.

Main Methods:

  • Review of existing literature on item bank and CAT development.
  • Discussion of key methodological issues including reference population, dimensionality, and response scales.
  • Exploration of advanced topics such as differential item functioning (DIF), conditional scoring, mode effects, and local dependence.

Main Results:

  • Successful CAT development hinges on addressing issues of reference population and dimensionality.
  • Choice between dichotomous and polytomous response scales impacts measurement precision.
  • Differential item functioning (DIF), conditional scoring, and local dependence require careful management.

Conclusions:

  • Methodological rigor is essential for valid and reliable CATs in health outcomes research.
  • Innovative approaches are emerging to enhance the utility of CATs.
  • Understanding these considerations is crucial for researchers utilizing CATs.