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Sonographer Skill Teaching Practices Survey: Development and initial validation of a survey instrument
Delwyn Nicholls1, Linda Sweet1, Pawel Skuza2
1Faculty of Medicine, Nursing & Health Sciences Flinders University Adelaide South Australia Australia.
Objective:
To report on the initial content development of the sonographer skill teaching practices survey (SonoSTePs) tool to measure skill teaching perceptions.
Method:
The nine-step model by Sarantakos [Social Research, 3rd edn. London: Palgrave Macmillan; 2005. 1-464], was used to guide the initial development of the instrument, content domains, and the generated questions. The face and content validity of the instrument was established after progressing through two expert panel reviews (experts in the fields of education, statistics, and ultrasound) and two pilot tests.
Results:
Results of the pilot testing identified differing discriminant variability (variation ratios) between the use of a five-point and a seven-point Likert-type frequency scale. In particular, the pilot two (P2) 30-item instrument, using a frequency seven-point Likert-type scale, resulted in good variation ratios (0.68 across 24 items; SD=0.11), demonstrating discriminatory ability between individual participant's teaching practices.
Conclusions:
The content and face validity of the SonoSTePs instrument has been established using principles of questionnaire construction and development.
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