4. Review of the 1st course This research problem, "What is the vocabulary level of the history books, both text and reference sources, used in the secondary schools of the United States?" is: A) a good research problem for a beginner to use to get started in research B) far too broad C) much too narrow D) an area of concern for which no available research method is appropriate
5. Review A manipulated variable is one that: A) uses equipment B) requires subjects to arrange materials C) is arranged by the researcher D) makes a study hard to interpret
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7. Review Instrument decay refers to the possibility that: A) test content becomes "dated" during the course of a study B) data collectors are lost during a study C) records of data are lost during a study D) the instrument is systematically altered during the course of a study
57. Chapter 19 Observation and Interview The primary advantages of the interview are: A) high response rate and opportunity for clarification of questions B) cost and training required C) anonymity and cost D) time required and response rate
58. Chapter 19 Observation and Interview The longitudinal method in developmental studies has the advantage of: A) more extensive data on individual subjects B) data for different age groups at the same point in time C) prompt data gathering D) no sampling errors
59. Chapter 19 Observation and Interview Which of the following is an example of participant observation? A) A teacher decides to observe her students on the playground. B) A researcher becomes a member of a street gang. C) A researcher records student behavior in the lunchroom. D) A researcher teaches an observation method to a graduate student.