Main Article Content
This research aimed to: 1) develop the “nursing process” diagnostic test by construct
modelling concept and 2) validate the quality of the diagnostic test. The research had 3
phases: 1) survey students’ cognitions in nursing process, 2) develop the diagnostic test
using construct modelling concept, and 3) validate the quality of the diagnostic test.
The participants were 233 third year nurse students (phase 1) and 305 (phase 3). They
were selected by purposive sampling. The research instruments were as follows: phase 1
scenario essay-type questions and phase 3 ordered multiple-choice (OMC). The research
periods were 6 months. The quality of the test items was analyzed by items ft indices.
The research results were as follows: A) the constructed map of 3 levels in nursing
process covered 5 groups: 1) complete understand with confdence (CUC), 2) complete
understand without confdence (CULC), 3) incomplete understand (IU), 4) lack of knowledge
(LK), and 5) misconception (MC). Within the model developed, the item design for
students to test (phase 3) were ordered multiple-choice (OMC) and scoring guides of 3
scores (i.e. 0, 1, 2) with the validated of the quality of the diagnostic test by the ordered
partition of rasch model. B) The validation of the diagnostic test was investigated through
items ft indices quality. The quality by weighted MNSQ (Inft) were between 0.91 to 1.07,
unweighted MNSQ (Outft) were between 0.840 to 1.120, t-statistics were between -0.90
to 1.00. Moreover, the items discrimination were between 0.31 to 0.66, the EAP (Expected
A Posteriori) reliability and Cronbach’s alpha reliability of test were 0.6.
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