Which is not a sound practice to use for conducting interviews, which is the fourth step of a scientific poll? a) training each interviewer to use an appropriate tone of voice and word choice b) calling randomly chosen phone numbers from randomly chosen area codes c) conducting in-person interviews and telephone interviews in the same poll

The practice which is not sound in conducting individuales is C) conducting in-person interviews and telephone interviews in the same poll.

In-person interviews deliver the most representative results. Telephone surveys provide a good alternative but  they need using a larger sample.

affirmative action refers to the policies that take gender, race, or ethnicity into account in order to promote equal opportunity.

employers subject to title vii are prohibited from taking race or sex into account in any employment decisions. aa is a penalty for having any job group substantially statistically "underutilized" in any race or either sex. the employer must take steps to eliminate the underutilization, then stop, ending its aa efforts