1) Motivational

            IEE more likely to take questions seriously.
            Can be a new experience, a break in the daily routine.
            Most people would rather talk than write. 

2) Flexibility

            Allows greater flexibility in wording, sequence and direction.
            IER able to clarify or paraphrase questions if IEE confused.
            Easier to explore highly complex or abstract topics.

3) Additional information.

            Allows the monitoring/evaluation of:
                Interpersonal skills.
                Nonverbal and paralinguistic behavior.
                Emotional tone.
                Behavior under stress.
                Internal consistency of IEE's answers.

4) Technical reasons.

         May not want IEE to return to previous questions.
            May want to limit the amount of time IEE has to respond.
            Nature of the material may require a more personal touch (e.g., terminating an employee)   


1) Training and practice requirements.

            IER must simultaneously:
                Listen (process verbal and nonverbal information).
                Guide direction.
                Take notes or remember.

 2) Time and cost

 3) Confidentiality

 4) Potential to cue, bias or distort IEE responses.

            IER may unintentionally influence IEE's answers.
         IER may consciously or unconsciously misinterpret or distort IEE's responses.

 5) IER characteristics can influence IEE responses.

            IER's age, sex, ethnic background, speech patterns, dress, etc. may influence IEE.