LECTURE 5 THE SURVEY: SAMPLING, QUESTIONNAIRE DISTRIBUTION AND INTERVIEWING
CHARACTERISTICS OF A RANDOM SAMPLE
CHARACTERISTICS OF A RANDOM SAMPLE
PROBABILITY THEORY AND SAMPLING
PROBABILITY THEORY AND SAMPLING
PROBABILITY THEORY AND SAMPLING
THE PROCESS OF RANDOM SAMPLING
THE PROCESS OF RANDOM SAMPLING
EXPECTED SAMPLING ERROR IS BASED ON THREE FACTORS:
CONFIDENCE LEVEL and CONFIDENCE INTERVAL.
WHY are these sampling errors true?
RANDOM SAMPLING TECHNIQUES AND SAMPLING ERROR
SIMPLE RANDOM- SELECTION BY LOT
SIMPLE RANDOM- SELECTION BY LOT
SIMPLE RANDOM SAMPLES- BY RANDOM NUMBERS
SIMPLE RANDOM SAMPLES- BY RANDOM NUMBERS
A PARTIAL PAGE OF RANDOM DIGITS
SYSTEMATIC RANDOM SAMPLE: SELECTION AT INTERVALS ON A LIST.
3. Determine the SAMPLING INTERVAL, called "K"
SYSTEMATIC RANDOM SAMPLE: SELECTION AT INTERVALS ON A LIST.
OTHER EXAMPLES of MULTI-STAGE SAMPLES:
Advantages of multi-stage sampling:
DISADVANTAGE OF MULTI- STAGE SAMPLING:
OPTIONS FOR QUESTIONNAIRE DISTRIBUTION
OPTIONS FOR QUESTIONNAIRE DISTRIBUTION
INTERVIEWER ATTITUDES TOWARD COMPUTER-ASSISTED PERSONAL INTERVIEWING (CAPI)
THE UNSTRUCTURED OR FOCUSED INTERVIEW: A QUALITATIVE METHOD
SOME EXAMPLES OF USES OF UNSTRUCTURED INTERVIEWS:
PROCEDURES FOR CONDUCTING UNSTRUCTURED INTERVIEWS
PROCEDURES FOR CONDUCTING UNSTRUCTURED INTERVIEWS
The INTRODUCTION or PITCH: Explain:
Some types of non-directive probes:
4. ECHO OR NEAR REPETITION OF THE RESPONDENT'S WORDS
5. SUMMARIZING OR REFLECTING RESPONDENT EXPRESSIONS
6. REQUESTS FOR SPECIFIC KINDS OF ADDITIONAL INFORMATION