Margaret says this picture represents 0.35 because the green squares represent tenths and the blue rectangles represent hundredths. 10 green squares make 1 blue rectangle, and 10 times 10 is 100. Use the drop-down menus to explain why Margaret's reasoning is incorrect.

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