Owen had 3 different kinds of stickers that he wanted to put on paper he put a bird sticker on every 30th paper a sports sticker on every 50th paper and a robot sticker on every 60th paper will any of the first 600 pages have all 3 stickers if so which pages ?

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect