Too late I submitted the thing. thx tho
Andre bought 2 large popcorn buckets and 4 small drinks for $20. Nahomie bought 2
large popcorn buckets and 2 small drinks for $14. How much did the large popcorn
cost? The small drink?

The large popcorn cost $4 and small drink cost $3

The large popcorn cost $2 and the small drink cost $4.

The large popcorn cost $5 and the small drink cost $3.

The large popcorn cost $3 and the small drink cost $2.

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