Related Experiment Video
Updated: Jun 30, 2026
05:21
Computerized Adaptive Testing System of Functional Assessment of Stroke
Published on: January 7, 2019
5.8K
Applying computerized adaptive testing to the Desires for Speed Questionnaire in the Chinese population: A simulation
Siyang Liu1, Xiaorong Guo1, Shihao Ma1
1Key Laboratory of Adolescent Cyberpsychology and Behavior (CCNU), Ministry of Education.
Psychological Assessment
|July 20, 2023
Summary
Computerized adaptive testing (CAT) offers a more efficient way to measure amphetamine craving using the Desires for Speed Questionnaire (DSQ). This method provides reliable results with fewer items, benefiting clinical assessments.
Area of Science:
- Psychometrics
- Clinical Psychology
- Addiction Medicine
Background:
- Current patient-reported outcome measures for amphetamine craving lack individual adaptability and score consistency.
- The 40-item Desires for Speed Questionnaire (DSQ) is a standard tool, but its length can be a limitation.
Purpose of the Study:
- To evaluate the feasibility of adapting the Desires for Speed Questionnaire (DSQ) for clinical use via computerized adaptive testing (CAT).
- To assess if CAT can maintain measurement accuracy and criterion validity while reducing the number of items administered.
Main Methods:
- Psychometric properties of all 40 DSQ items were analyzed for CAT suitability.
- Computerized adaptive testing (CAT) simulations were performed using response data from 677 participants in Chinese drug addiction treatment centers.
Main Results:
- The CAT approach required significantly fewer items (50%-75% of the full DSQ) to measure amphetamine craving.
- CAT-derived results showed minimal differences in measuring craving and criterion validity compared to the full DSQ assessment.
Conclusions:
- Developing a computerized adaptive testing (CAT) version of the Desires for Speed Questionnaire (DSQ) is effective for clinical settings.
- DSQ CAT enhances measurement efficiency without sacrificing the reliability or validity of amphetamine craving assessment.
Related Concept Videos
00:57Population Growth
Population size is dynamic, increasing with birth rates and immigration, and decreasing with death rates and emigration. In ideal conditions with unlimited resources, populations can increase exponentially, which plots as a J-shaped growth rate curve of population size against time. This type of curve is characteristic of newly-introduced invasive species, or populations that have suffered catastrophic declines and are rebounding.However, realistic environmental conditions limit the number of...
02:16Surveys
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.
02:01Group Design
The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between the two are due to...
01:20Sample Proportion and Population Proportion
Collecting samples or responses from an entire population takes significant time and effort, so a researcher collects responses from only a sample of that population. Suppose a study needs to collect information about a specific mobile application. After sample collection, the researcher analyzes the data and discovers that most individuals in the sample use that specific mobile application. The sample proportion measures the number of individuals in a sample who either use or don't use the...
01:19Sample Size Calculation
Knowledge of the sample size is the first requirement to conduct random sampling or an experiment. The sample size is the total number of units, observations, or groups (in some cases) used to get the data to estimate a population parameter. As the name suggests, the sample size is that of the sample drawn from the population and differs from the population size.
The sample size for the given experiment or sampling effort is fundamental to any study design. Sample size decides the number of...
The sample size for the given experiment or sampling effort is fundamental to any study design. Sample size decides the number of...
01:12Analysis of Population Pharmacokinetic Data
Analysis of population pharmacokinetic data involves studying the behavior of drugs within diverse populations to understand their pharmacokinetic parameters. Traditional pharmacokinetic methods typically involve collecting samples from a few individuals and estimating these parameters. While these methods are commonly used, they have limitations in capturing the variability in drug response among individuals or heterogeneous populations. Population pharmacokinetics is employed to address these...