Help me please (photo attached)
...
Answers: 2
Mathematics, 22.06.2019 01:40
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
Answers: 1
Mathematics, 22.06.2019 03:30
The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?
Answers: 3
Mathematics, 22.06.2019 04:00
Abarge can safely haul no more than 400 tons across the river. the barge has an empty weight of 24 tons. the average weight of the railroad cars is 4 tons each.bhow many railroad cars can the barge haul?
Answers: 1
English, 20.10.2020 21:01
Mathematics, 20.10.2020 21:01
Biology, 20.10.2020 21:01
Business, 20.10.2020 21:01
Mathematics, 20.10.2020 21:01
Mathematics, 20.10.2020 21:01
Spanish, 20.10.2020 21:01
History, 20.10.2020 21:01
Physics, 20.10.2020 21:01
History, 20.10.2020 21:01