An outbound call centre conducted interviews for three potential candidates, Daisy, Mickey, and Jessie for different job positions in this office. Daisy was asked a set of standardized interview questions. Mickey was asked whatever questions the interviewers felt like asking. Jessie was asked a few standard questions as well some random questions by three interviewers sitting in the interview.

From the above scenario,

a) Identify and explain the three kinds of job interviews conducted for each of the candidates - Daisy, Mickey, and Jessie?

b) Which interview method will be best in terms of consistency in the candidate selection process? Explain your answer.