Let) f (p) be the average number of days a house stays on the mattetore being sold to consistentes e $(150) sepresents the average number of days touses stay on
Houses sell on the maret for an average of $150.000 and stay on the market an average of 15 days eteng
Houses sell for an average of $150.500
$150) indicates touses stay on the matt an average of 15 days be tengsl

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