Answer to Question 1
level of analysis
Answer to Question 2
Mutually exclusive means that response categories do not overlap. An example of overlap might be that a respondent finds his unique answer in two different categories. Exhaustive means that each respondent has a choice. An example would be that a respondent finds his unique answer on the questionnaire, i.e. he is employed as a baker, and baker is included as a profession. Balanced means that the survey offers favorable or unfavorable choices equally. An example would be that a respondent answers a question that doesn't seem biased to one response - an unbalance question would be,
When you vote, will you vote for John McCain or any of the other candidates?
The central dogma of genetics at the molecular level.
Nuclear division at the DNA level
This illustration shows the decibel level in various locations and associated with different ...
Many U.S. regions under threat due to changes in sea level
Rising sea level threatens coastal communities around the world
Opener A researcher examines an agarose gel