Related Experiment Video
Updated: Jun 16, 2025
Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools
Published on: June 20, 2020
Item-validity analysis of the SED-S in a multicentre study of adults with intellectual disabilities
Hauke Hermann1,2, Annemieke Witte3,4, Gloria Kempelmann3
1Medical School and University Medical Center OWL, Mara Hospital, University Clinic for People with Neurodevelopmental Disorders, Bielefeld University, Bielefeld, Germany.
Background:
Valid and reliable instruments for measuring emotional development are critical for a proper diagnostic assignment in individuals with intellectual disabilities. This exploratory study examined the psychometric properties of the items on the Scale of Emotional Development-Short (SED-S).
Method:
The sample included 612 adults with intellectual disabilities (Mage = 37.35, SDage = 13.27; 59.8% males). Item validity analysis comprising sensitivity and specificity rates and discriminatory power were determined.
Results:
The relative mean frequency of 'yes' answers to all 200 items was 29.5%. The mean sensitivity rate was 67.5% and the mean specificity rate was 79.3%. Most items (85.0%) showed good discriminatory power with the adjacent stage(s), especially between SED-1, SED-2, SED-3 and SED-4. Particularly in SED-4 some items showed weaknesses in the differentiation between these stages.
Discussion:
This study adds to previous validation studies by showing that most SED-S items have psychometrically sound properties.
Related Concept Videos
01:29Reliability and Validity
01:03Data Validation
Nursing assessment guides are generally based on holistic models rather than medical...