The record entry and the near record time were helped by the perfect temperature of 70 degrees at the start of race. The first ten finishers are guaranteed entry into next years New York marathon. Three hundred students were randonly assigned to three groups. Each group received different instructions prior to watching a videotape in which an adult and three children interact during a game. Following the videotape each student completed a questionnaire rating the bahavior of the adult on a number of dimensions.
Research can produce both constant and random experimental error.
A common practice found in education literature is for researchers to conduct prametric tests on Likert scale data. They have suggested to the Superintendent that students' scores on one of the tests could be used to accurately predict scores on the other test, and that one of the tests could be discontinued to save money. If you point out weaknesses, propose ways that the study design, etc. could be changed to overcome the weaknesses. To help you enter into our discussions, please take a few minutes and scan each of the articles.