417
Participants
Start Date
January 30, 2019
Primary Completion Date
May 10, 2019
Study Completion Date
November 24, 2020
Questionnaire 1a
Participants will be randomly shown two versions of messages in which the last 20% of the message consists of negative statements of criticism and rate of the effectiveness of the message.
Questionnaire 1b
Participants will be randomly shown two versions of messages in which the first 20% of the message consists of negative statements of criticism and rate of the effectiveness of the message.
Questionnaire 2a
Participants will be randomly shown two versions of messages in which the last 40% of the message consists of negative statements of criticism and rate of the effectiveness of the message.
Questionnaire 2b
Participants will be randomly shown two versions of messages in which the first 40% of the message consists of negative statements of criticism and rate of the effectiveness of the message.
Questionnaire 3a
Participants will be randomly shown two versions of messages in which the last 60% of the message consists of negative statements of criticism and rate of the effectiveness of the message.
Questionnaire 3b
Participants will be randomly shown two versions of messages in which the first 60% of the message consists of negative statements of criticism and rate of the effectiveness of the message.
Questionnaire 4a
Participants will be randomly shown two versions of messages in which the last 80% of the message consists of negative statements of criticism and rate of the effectiveness of the message.
Questionnaire 4b
Participants will be randomly shown two versions of messages in which the first 80% of the message consists of negative statements of criticism and rate of the effectiveness of the message.
H. Lee Moffitt Cancer Center and Research Institute, Tampa
San Diego State University
OTHER
University of Arizona
OTHER
University of Minnesota
OTHER
H. Lee Moffitt Cancer Center and Research Institute
OTHER