HEL .
Describe a situation that is defined by the linear equation P = 40 + 22t.
The initial amount is 40 and the rate of change is 22.
The initial amount is 22 and the rate of change is 40.
The initial amount is 40 and the rate of change is 62.
The initial amount is 62 and the rate of change is 22.

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