Ineed !

at summer camp, campers were asked to name their favorite sport. the circle graph shows the percent of campers who preferred each sport. of the campers surveyed, 39 said that they preferred swimming.

how many campers were surveyed in all?

enter your answer in the box.

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