Chapter 3. Operationalizing 1. Why do you need an operational definition when you already have a perfectly good conceptual definition? Show
2. Why can't you skip the conceptual definition and use only an operational definition to define your concept? i.e. why is it also necessary to have a conceptual definition?
3. What is the difference between conceptual and operational definitions?
4. A professor is studying learning and academic performance and uses GPA as a measure of how much her students have learned. Discuss why (or why not) this is an adequate operational definition of learning.
5. What role should essential qualities play in operational definitions?
6. What is the difference between a numeral and a number?
7. What is the difference between a number and an ordinal?
8. In what way is ratio scaling "stronger" than interval or ordinal scaling?
9. How do you tell which level of scaling is appropriate for a particular situation? (What aspects of the situation do you consider? Why do these aspects matter?)
10. Under what conditions would you have to use a lower level of scaling than the one that matches the phenomenon you want to measure? Give an example.
11. What can you do with interval or ratio scaling that you can't do with nominal or ordinal scaling?
12. Under what conditions does "0" not mean "none"? What are the consequences of this?
13. If you have a ratio-scaled variable and want to compare two values, what kind of comparisons can you make?
14. If you have an ordinal-scaled variable and want to compare two values, what kind of comparisons can you make?
15. If you have an interval-scaled variable and want to compare two values, what kind of comparisons can you make?
Q# Page # 2. 21 3. 21,23 4. 21,23 5. 21 6. 25-26 7. 25-26 8. 26-27 9. 26-27 10. ? 11. 26-27 12. 27 13. 26 14. 26 Is a discipline that studies the correspondence between signs and symbols and their meaning?semiotics. A discipline that studies the correspondence between signs and symbols and their roles in how we assign meanings Semiotics is a key link to consumer behavior b/c consumers use products to express their social identities.
Is the process by which people select organize and interpret sensations marketers study what we add to these raw sensations to give them meaning?Perception is the process by which people select, organize, and interpret sensations, i.e. the immediate response of sensory receptors (such as the eyes, ears, nose, mouth, and fingers) to such basic stimuli as light, colour, odour, texture, and sound.
Which of the following represents the minimum amount of stimulation a person can detect on a given sensory channel?The absolute threshold is the minimum amount of stimulation required for a person to detect the stimulus 50 percent of the time.
What is the process by which people select organize and interpret sensations?Perception is the process of selecting, organizing, and interpreting information from our senses. Selection: Focusing attention on certain sights, sounds, tastes, touches, or smells in your environment.
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