1. Describe the four types of scales.

2. How is the interval scale more sophisticated than the nominal and ordinal scales?

3. Construct a semantic differential scale to assess the properties of a particular brand of tea or coffee.

4. What kinds of sampling designs would be used for the following:

a. A study to get a quick idea of the medical acceptability of a new aspirin substitute which cannot be dispensed over the counter without prescription.

b. A study involving a sample of 325 students in a university where 2,000 students are enrolled.

c. An investigation of the career salience of professionals in the fields of medicine, engineering, business, and law.

d. The generalizability of the attitudes of blue collar workers from a sample of 184, to the total population of 350 blue collar workers in the entire factory of a particular company.

5. Over-generalizations give rise to a lot of confusion and other problems for researchers who try to replicate the findings. Explain what is meant by this.