An electronics store receives a shipment of eight boxes of calculators, with ten calculators in each box. a quality control inspector chooses a box by putting eight identical slips of paper numbered 1 to 8 into a hat and picking a slip at random. he then chooses a calculator at random from the box selected using a similar method with ten slips of paper in a hat. he repeats the process until he obtains a sample of 5 calculators for quality control testing. does this sampling plan result in a simple random sample? explain.

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