Table 3 ▪.

Correlation of Overall Satisfaction and Individual Questions with the Commercially Available System and The Veterans Affairs CPRS

Questions	Correlation Coefficient*
CPRS	Commercial
Characters on the computer screen	0.23	0.60
Highlighting simplifies tasks	0.55	0.56
Organization of information on the screen	0.49	0.59
Sequence of screens	0.61	0.67
Terminology consistency	0.60	0.71
Terminology related to the task you are doing	0.57	0.72
Position of messages	0.48	0.69
Messages prompt user for input	0.49	0.68
Computer keeps you informed	0.50	0.47
Error messages	0.27†	0.44
Learning to operate the system	0.56	0.57
Exploring by trial and error	0.67	0.51
Remembering names of commands	0.67	0.63
Task performed in a straight- forward manner	0.71	0.71
Help messages	0.46	0.63
Supplemental reference materials	0.44	0.50
System speed	0.43	0.57
System reliability	0.45	0.57
System noise	0.08 (NS)	0.50
Correcting your mistakes	0.56	0.53
Experienced and inexperienced users' needs are taken into consideration	0.68	0.52

Abbreviations: CPRS indicates Computerized Patient Record System; NS, not significant

*All P values are less than 0.001 unless otherwise indicated.

† P <0.05