Marine Midland Bank sent market researchers door-to-door in the neighborhoods surrounding its branch banks. Each researcher wanted to spend 15 minutes talking with a head of the household about his or her savings accounts to discuss why he or she did not also have checking accounts and credit cards with the bank. Marine Midland researchers were using to collect these data.

Marine Midland researchers were using individual interviews to collect these data.

An information-gathering interview is a focused discussion with a specific determination that practices a question-and-answer format. Intentions are valuable erudition that can be gathered from interviews. Interview questions are regularly open-ended subjects so that in-depth knowledge will be obtained.

In the personal interview, the interviewer acts instantly with the respondent.  They also grow a viable choice where there are short respondents. There are possibilities for reviewing to get underlying factors. The interviewer can seek in-depth information around the topic.

answer; (d) i believe that the correct answer is ; /// a new invention lowers the cost of production;

answer: b 56, 250

explanation: