Jamaal is allowed to walk no farther than three blocks in either direction from his house. if his house is located on the 57th block of the town, which absolute value equation can be used to determine the farthest block to which jamaal is allowed to walk? |x – 57| = 0 |57 – 3| = x |3 – 57| = x |x – 57| = 3

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