8. According to your textbook, which of the following is not a condition conducive to observation? a. The behavior of interest lasts over a long period of time. b. The behavior must not be repetitive. c. The behavior lasts over a long period of time and must not be repetitive. d. The behavior needs to be observable or inferable. e. All of the above are conditions conducive to observation. Sometime after the questionnaire has been designed and pretested, the researcher should a. evaluate the questionnaire. b. decide on the question wording. c. determine the data collection method. d. establish the questionnaire flow. e. prepare the final questionnaire copy