This is urgent plz ! the graph shown is for the inequality y ≥ x. the graph has one thing wrong. what is it? a)the shading is on the wrong side of the boundary line. b)the boundary line should be dotted or dashed c)the boundary line has the wrong y-intercept d)the boundary line has the wrong slope

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