Select all statements that are true about the graph of ordered pair (−3, −7)(−3, −7) . a)the point is 7 units below the x-axis. b)the point is 3 units below the origin and 7 units left. c)the point is on the x-axis. d)the point is in the third quadrant. e)the point is 3 units to the right of the y-axis.

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