stat.ME cs.IT math.IT stat.AP 62P05, 62P10, 62P10, 62P12, 62P15, 62P20, 62P25, 90B50, 91B06,
  90C29, 90C31, 91A35, 91B06 G.3; H.4; H.4.2
Discovering the critical number of respondents to validate an item in a questionnaire: The Binomial Cut-level Content Validity proposal
Helder Gomes Costa Eduardo Shimoda José Fabiano da Serra Costa Aldo Shimoya Edilvando Pereira Eufrazio