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Trust in Nurses Scale: construct validity and internal reliability evaluation.

Laurel E Radwin¹, Howard J Cabral

¹Institute for Patient Care, Massachusetts General Hospital, Boston, USA. lradwin@partners.org

Journal of Advanced Nursing

|April 29, 2010

Summary

The Trust in Nurses Scale, a tool measuring patient trust, demonstrates strong psychometric properties. Both four- and five-item versions are reliable and valid for assessing patient-centered nursing care.

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Area of Science:

Nursing Science
Psychometrics

Background:

Patient trust in nurses is crucial for adult patients.
Existing instruments for measuring this trust are limited.
The Trust in Nurses Scale was developed based on patient-centered nursing care theory.

Purpose of the Study:

To conduct further psychometric evaluation of the Trust in Nurses Scale.
To assess the construct validity and reliability of the scale.

Main Methods:

Confirmatory factor analyses were used to evaluate construct validity and reliability.
Data were collected from 187 hospitalized patients in a haematology-oncology setting.
Internal consistency reliability was assessed using coefficient alpha.

Main Results:

Both four- and five-item versions of the Trust in Nurses Scale showed acceptable psychometric properties.
The four-item version explained 66% of the variance and met all fit statistics criteria.
Both versions demonstrated acceptable internal consistency reliability.

Conclusions:

The study further supports the construct validity of the Trust in Nurses Scale.
Cumulative findings indicate the scale reliably measures the concept of trust in nurses.
The instrument effectively measures trust using a minimal number of items.