1. which is an example of structured observation? a. a parent visits her son's second-grade classroom to observe his behavior. b. a zoo employee observes a new gorilla's interaction with the other gorillas in the enclosure. c. a new employee sits beside a veteran employee to see what types of situations occur during a normal work day. d. after receiving an anonymous tip, a supervisor observes his staff to see if any of them are downloading music while they should be working. 2. which is an example of unstructured observation? a. a researcher watches the cars entering a mall parking lot and records the number of red cars. b. a principal observes a teacher to see if the teacher completes all items on an evaluation checklist. c. an undercover police officer joins a gang in order to observe its members and activities. d. a day-care worker observes a particular child who has been accused of biting other children. 3. a set of twins have agreed to take part in an observational study. each of the twins will wear a microphone that will record every interaction that they have for a week. which choice best describes this situation? a. covert and structured b. covert and unstructured c. overt and structured d. overt and unstructured 4. which question is best given in a free-response format? a. what is your gender? b. what is your favorite television show? c. what is your grade classification? d. in what range is your grade point average? 5. which of the following is a characteristic of an open question? a. may result in unexpected information b. may result in too little information c. multiple-choice answers d. true or false answers 6. which of the following is a disadvantage of a personal interview? a. they are time consuming. b. the data can be difficult to combine. c. reviewing the answers is time consuming. d. the number of questions must be limited due to time constraints. 7. a questionnaire is given to determine customer satisfaction with a certain orthodontist. who should answer the questionnaire? a. local dentists b. other orthodontists c. oral surgeons d. patients of that orthodontist