Josie has a doll collection she wants to display on the shelves she has 24 princess dolls 16 mermaid dolls and 32 fairy dolls she wants each row to have the same number of dolls and all the dolls in a row will be the same type how many dolls cash’s put in each row

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