many things can contribute to the variability in a sample. Suppose the members of a youth group have just completed a measurement inventory that assesses an individual's self-esteem. half of the youth group completed the questionnaire at the beginning of their weekly gathering, and the other half completed the questionnaire at the end of their gathering. some of the youth groups members are male, and some are famle. They range in age from 13 to 18 years. Name at least five things that might lead t variations in response between participants. answer