Triangulation: operational definitions.
Kimchi
J
J
Columbus Children's Hospital, OH.
Polivka
B
B
Stevenson
J S
JS
D003625:Data Collection / Q000379:methods* / Q000592:standards; D003627:Data Interpretation, Statistical; D006801:Humans; D015399:Nursing Research / Q000379:methods* / Q000592:standards; D015588:Observer Variation; D013997:Time Factors