6) (TEACHER GRADED] Copy and paste these symbols if needed ALE~ 12 points Given: AB DE
Prove: AABC AEDC
D
Statement
Reason
1.
1. AB I DE
2. SACB ECD
2.
3.
3. If a pair of parallel lines are cut by a transversal, then
the alternate interior angles are congruent.
4. AABC-AEDC
Write the reason for line 2
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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