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(1) Six domain of competencies to select candidates for training such as patient care, medical knowledge, system based practice, practice-based learning, clinical acumen, and social or relational skills were recommended by the Accreditation Council for Graduate Medical Education (ACGME) in 1999.2 The multiple mini-interview (MMI) model was first developed in 2001 to reduce interviewer bias and increase the accuracy of candidate scoring by expanding the number of interviewers and standardizing interview questions.
Talent leaders find interviewer bias (42 percent), limited ability to assess soft skills (63 percent) and weaknesses (57 percent) as the most prevalent shortcomings of traditional interviews, it said.
The problem of raters' leniency in medical school selection interview was a factor leading to development of MMI.10 However, even after the development of such objective assessment, the interviewer bias remains the focal point of discussion and evidence always emphasises on interviewers' training.10,15
The same interviewer has interviewed both the cases and controls for same length of time, using the same pre designed proforma, to check interviewer bias. To minimize the recall bias regarding timing of events, suggestive questions were asked and help of local and national events was also taken to help stimulate the recall.
Interviewer bias is a hard problem to overcome, especially when working with young interviewees, but the excerpts in the book do provide interesting information about school life in the United States.
The surveys are conducted using MyCUsurvey's integrated Web/IVR (interactive voice response) system so there is no risk of interviewer bias. And MyCUsurvey is available for as little as $700 per branch.
quick turnaround *** ** *** ** qualification of respondents *** * *** *** probing of open-ended questions *** * ** *** low data collection costs ** *** *** * a lengthy questionnaire ** *** ** *** a large sample size * *** *** * no interviewer bias * *** *** * contacting hard to reach people * *** ** * 1 star = poor; 2 stars = fair; 3 stars = good; 4 stars = very good.
The Internet approach also removes the interviewer bias.
Define selection bias, recall bias, interviewer bias, and information bias.
One researcher conducted interviews, in order to minimise interpersonal differences and interviewer bias. Issues raised by the interview were subsequently explained by the interviewer, who had genetic counselling expertise.
Interviewer bias may skew the composition of the class if a single person conducts the admission interviews, even with a standard list of questions.
Face-to-face Telephone Postal Acceptability reasonable doubtful open choice Recruitment controlled controlled self- selecting Response rate fixed fixed variable Speed moderate fast slow Reaching scattered sample poor very good very good Interaction/rapport very good good poor Complexity of interview possible limited impossible Interviewer bias present present absent Interview length up to 1 hour 10-15 mins 30 questions (pre-arranged) (max) Staff resource needed large substantial moderate