Find the periodic rate that corresponds to the given compound rate, if the rate is compounded as follows. (round your answers to eight decimal places.) compound rate = 18% (a) quarterly periodic rate = ? (b) monthly periodic rate = ? (c) daily periodic rate = ? (d) biweekly (every two weeks) periodic rate = ? (e) semimonthly (twice a month) periodic rate = ?

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