Table 5 Comparison of basic psychometric characteristics of the NM and PS scales
From: Personal statement versus psychological test as admission to the nursing degree: an evaluation
Criteria | Nurse Match | Personal Statement |
|---|---|---|
Discriminatory power | Continuous measure (no ties) | Ordinal ranking (into a few categories) |
Reliability /Consistency of use and marking | High item reliability / High consistency | Acceptable / Questionable |
Validity /Does it measure suitability for nursing? | Yes / Measures suitability in a consistent manner using professional nursing values | Yes /Text marking is a subjective process and suitability is assessed using broad and general characteristics |
Standardised on a population / invigilated, with consistent admin and immediate scoring? | Yes / Yes, invigilated, with consistent admin and objective automated scoring. | Yes / Completion unsupervised, support unconstrained, scoring is subjective, not automated, and so inconsistent |