BAB 9 - DISCUSSION QUESTIONS AND POINTS TO PONDER
1. Briefly describe the difference between attitude rating scales and ranking scales and indicate when the two are used.
2. Why is it important to establish the “goodness” of measures and how is this done?
3. Construct a semantic differential scale to asses the properties of a particular brand of coffe or tea.
4. “Whenever possible it is advisable to use instruments that have already been developed and repeaticly used in published studies, rather than develop our own instruments for our studies.” Do you agree discuss the reasons for your answer.
5. “a valid instrument is always reliable, but a reliable instrument may not always be valid.” Comment on this statement.
Answer!
1. rating scales have several response categories and are used to elicit responses with regard to the object, event, or person studied. ranking scales, on the other hand, make comparisons between or among objects, events, or persons and elicit the preferred choices and ranking among them.
2. Goodness of very important measures used to ensure that we develop instruments and to measure concepts that are specific to accurately measure the variables.
Execution mode that is by analyzing the objects that respond to the questions that affect the completion and then describe the measurement accuracy and kevaliditasan specified.
3. Responsive --------------------------------------------------- Unresponsive
Beautiful --------------------------------------------------- UgLy
Courageous --------------------------------------------------- Timid
4. We further agreed that if the use of instruments that have been developed and studied more about the instrument because it's easier to develop and search the literature for a list of libraries. This will be easier because the use of better instruments will ensure more accurate results, in turn, the quality of scientific research.
5. We think that is acceptable instruments must be reliable because this instrument has been tested scientifically. While not necessarily a reliable instrument is acceptable because it is not necessarily true.
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