Learnability of a Configurator Empowering End Users to Create Mobile Data Collection Instruments: Usability Study.

Only the difference between operations of novices at Task 6 (first data collection instrument of Session 2) and those of experts at Task 1 (first data collection instrument of Session 1) did not reach statistical significance ( P =.957 comparing Task 1 of novices with Task 1 of experts; P =.373 comparing Task 2 of novices with Task 1 of experts; P =.002 comparing Task 3 of novices with Task 1 of experts; P =.027 comparing Task 4 of novices with Task 1 of experts; P =.003 comparing Task 5 of novices with Task 1 of expert

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