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Activity 1. True or False: Write T if the statement is true and F if the
statement is False. Write your answer on the space provided.
1. Validity relates to the extent to which the instrument is consistent.
2. Secondary data are data collected through observation and tests.
3. One of the disadvantages in using paper-pencil questionnaires is that
most of the questionnaires received through mail is not sent back to
the researcher.
4. It is best to conduct and overt observation so that the participant is
aware how to behave in front of the observer.
5. Rating scales, interview schedules, tally sheets and flowcharts are
examples of Subject Completed Instruments.​