Question Help 4.3.6
Erica is at her house. She gets in her car and drives north 5.7 miles and stops at the store. Then she turns around and drives south 3.5 miles to go to her friend's
house. How far is the friend's house from Erica's house?

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