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Related Experiment Video

Updated: May 22, 2026

Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities

Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities

Published on: September 11, 2021

The Nursing Student Self-Efficacy Scale: development using item response theory.

Glenda S Stump¹, Jenefer Husman, Sarah K Brem

¹School of Social and Family Dynamics, Arizona State University, Tempe, USA. gsstump@mit.edu

Nursing Research

|May 4, 2012

Summary

This summary is machine-generated.

A validated tool measures nursing students' self-efficacy in caring for critically ill patients. Item response theory analysis confirms its reliability and validity for tracking student skill development across semesters.

Related Experiment Videos

Last Updated: May 22, 2026

Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities

Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities

Published on: September 11, 2021

Area of Science:

Nursing Education
Psychometrics
Healthcare Simulation

Background:

Accurate self-efficacy estimation is crucial for effective nursing instruction.
A validated measure of nursing self-efficacy is needed for educators.

Purpose of the Study:

Evaluate item response theory (IRT) model fit for the Nursing Student Self-Efficacy Scale.
Provide evidence for reliable and valid interpretation of self-efficacy scores.

Main Methods:

Administered the Nursing Student Self-Efficacy Scale to 421 nursing students.
Analyzed self-efficacy beliefs for psychomotor and communication skills using the generalized partial credit IRT model.

Main Results:

Items demonstrated acceptable model-data fit (chi-square test, alpha=.001).
40% of items provided high information, 20% moderately high information on self-efficacy.
Subscales accurately measured self-efficacy for specific student semesters, showing significant differences between successive semesters.

Conclusions:

The scale provides reliable interpretation of nursing students' self-efficacy beliefs.
The instrument demonstrates validity, distinguishing between students with varying self-efficacy levels.
IRT procedures offer superior insights into item and test reliability for scale development compared to classical true score theory.