The Safe Drinking Water Act establishes contaminant levels all states must meet or exceed

Which of the following statements is true about cohort analysis?

A) A cohort is a group of respondents who experience the same event within the same time interval. B) It is unlikely that any of the individuals studied at time one will also be in the sample at time two. C) The term cohort analysis refers to any study in which there are measures of some characteristics of one or more cohorts at two or more points in time. D) All are correct.

On the communication style grid, the two communication styles with low dominance are reflective and supportive. Salespeople with these two communication styles would be best suited for sales situations in which:

A) the product is simple to understand so the salespeople don't have to spend much time with potential clients B) the product is highly technical and requires a strong focus on partnering over the long term to discover solutions for the client C) the customers understand the low dominance of the salespeople and are willing to work with them despite their communication differences D) the customers are all reflective or supportive communication styles E) the salespeople are not required to have direct contact with potential clients