Which of the following will isolate the variable in the expression 6q+12? Answer
A. Subtract 12, then divide by 6
B. Multiply by 6, then add 12
C. Divide by 6, then subtract 12
D. add 12 then multiply by 6

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