2. The depth, d, of snow accumulation during a snow storm was recorded with the results shown in the table below. At what average rate did snow accumulate at over the interval
2
≤
t
≤
7
2
≤
t
≤
7

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