Surveys and Questionnaires. Research Methods and Data College of Advancing Studies Brendan Rapple . Surveys Provide Important Knowledge. Economists, psychologists, health professionals, political scientists, and sociologists conduct surveys to study such topics as:
Research Methods and Data
College of Advancing Studies
This presentation owes much to the American Statistical Association brochure series on survey research:
How often do African-American males aged 40-49 visit the dentist?
A survey of 50-60 year old male professors at BC about their weekly exercise habits
Main problems revolve about:
Example: 500 part-time students in Advancing Studies
Population: 2,000 (800 females; 1,200 males)Sample required: 200If gender is an important variable in your survey, then both females and males should be included in appropriate numbers, that is, in proportions that correspond to their presence in the population.
Treat both sexes as separate populations and take 10% sample from each. ORMake sure that all females are listed first and then take every tenth name.Either way you will end up with 80 females and 120 males
Could ruin an otherwise well-conceived survey.
It’s simple and cheap to select a sample of names from a phone-directory to find out which candidate people intend to vote for.
However, this sampling procedure could give incorrect results since persons without telephones or with unlisted numbers would have no chance to be reflected in the sample,
Their voting preferences might be quite different from persons who have listed telephones.
TV programs asking viewers to vote.
A good questionnaire forms an integrated whole.
do you mean: weekly monthly annual pretax after tax from salary or from all sources
(A blouse manufacturer wants to ascertain what type of sleeves teenage females prefer in their blouses)1. Do you like short sleeve blouses? YES__ NO__2. Do you like long sleeve blouses? YES__ NO__3. Do you like sleeveless blouses? YES__ NO__
But some respondents might take it to mean:--National Auto Tourist Organization
--Native Alaskan Trade Orbit
--North African Tea Office
How many drinks do you have each day? (Check one of the following)
____ 5 or more ____ 4 ____ 3 ____ 2 ____ 1 ____ none
_____ YES _____ NO (if you mark "NO," skip the following question).
Q. 4. Check one of the following: _x_ I believe that manufacturing should be increasingly computerized, even if layoffs ensue.
___ Preserving the jobs of workers is more important than computerizing manufacturing.Later on, the Questionnaire might ask:
Q. 30. Check one of the following: ___ I support G.M.'s increasing use of robotics, despite the resulting massive layoffs.
_x_ The government should force G.M. to curtail computerization to ensure a reduction in layoffs.
What is your present marital status?
1 never married 2 married 3 divorced 4 separated 5 widowed
a. 0-1 children
b. 1-2 children
c. 2 or more children
Women should automatically receive three months maternity leave in your company
strongly agree partly agree disagree strongly
___ ___ ___ ___ ___
Never Yearly Monthly Weekly Daily
____ ___ ___ ___ ___
I see myself as:Extremely Extremely interested in uninterested politics ______:______:______:______:______ in politics