Cameron needs to work a total of 3 hours and 15 minutes in order to pay back his grandfather for a loan. if cameron has already worked 1 hours and 20 minutes, how much longer does he need to work to finishing paying off the loan? note: 60 minutes = 1 hour.

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