POSSIBLE POINTS: 2 Square ABCD will be centered at the origin on the coordinate plane. A rigid transformation of preimage ABCD is performed to
image A'B'C'D' Determine which of the following characteristics or corresponding parts will not remain the same.
А
the perimeter of square A'B'C'D'
B
the coordinates of A' after a rotation of 360° counterclockwise about the origin
С
the coordinates of B' after a translation of <-3, 2 >
D
the measure of B' after a reflection across the line y = x
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Ne

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