Jade and chet get a weekly allowance plus x dollars for each
time the pair walks the dog. they plan to save 40% of their
combined earnings in one week to purchase a new app for their
smart tablet. their earnings in a certain week are represented in
the table. if their parents pay $2.50 each time they walk the dog,
how much money will they have to purchase the app?

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