1 .		The influence of the researcher's background, personal experiences, preferences, or attitude on an interview or observation is technically defined as [Hint]   observer effect.   nonparticipant effect.   participant bias.   observer bias.
2 .		Which term technically describes a situation in which an observer's work in a first-grade classroom disrupts the normal routines due to the curiosity of the students? [Hint]   Observer effect   Participant effect   Nonparticipant bias   Observer bias
3 .		Which of the following is an excellent way to enhance the validity of observational and interview data collection? [Hint]   Spend an extended period of time in the field.   Obtain participant trust.   Recognize your own biases.   All of the above.