ENVIRONICS RESEARCH GROUP  National Survey on Charter Rights Issues  PN5102

Fieldwork Dates: February 11-17, 2002

Prepared for: CRIC

Prepared by: Environics Research Group Limited, June 2002

Environics Research Group Limited       33 Bloor Street East, Suite 900 Toronto, Ontario tcl: 416.920.9010; fax: 416.920.3299

 

 Survey Methods

The results of the survey are based on questions asked to 1,402 Canadians 18 years of age and older living within the ten provinces of Canada. The survey was conducted by telephone from February 11 to 17, 2002.

Sample Selection

The sampling method was designed to complete approximately 1,400 interviews within households randomly selected across Canada. It is drawn in such a way that it represents the Canadian population with the exception of those Canadians living in the Yukon, Northwest Territories or Nunavut. Regional quotas were used to allocate interviews; these quotas were designed to increase the size of the sample in Quebec.

The actual sample is as follows.

Region,

Quota

Unweighted

N

Weighted

N

Margin of

Error

Atlantic Provinces

125

127

114

8.7

Quebec

500

499

353

4.4

Ontario

400

400

525

4.9

Manitoba/Saskatchewan

125

126

99

8.7

Manitoba

 

56

53

13.1

Saskatebervan

 

70

46

11.7

Alberta

125

125

127

8.8

British Columbia

125

125

184

8.8

Total

1,400

1,402

1,402

2.6

 

The sampling model relies on the stratification of the population by ten provinces and by six community sizes (1,000,000 inhabitants or more, 100,000 to 1,000,000 inhabitants, 25,000 to 100,000 inhabitants, 10,000 to 25,000 inhabitants, 5,000 to 10,000 inhabitants and under 5,000 inhabitants).

Environics uses a RDD (random digit dialing) sample selection technique. Telephone numbers are selected from the most recently published telephone directories, thus ensuring that only valid telephone exchanges are used. These numbers act as "seeds" or elements from which the sample is randomly generated. The numbers in the sample elements are selected in such a way that they are representative of the geographic area(s) under study. This sample selection technique ensures both unlisted numbers and numbers listed after the directory publication are included in the sample.

During fieldwork, a total of 15,352 telephone numbers were drawn from the initial sample. From within each household contacted, respondents 18 years of age and older were screened for random selection using the "most recent birthday" method. The use of this technique produces results that are as valid and effective as enumerating all persons within a household and selecting one randomly.

A screening question was asked to exclude from the final sample households in which any member is employed by an advertising or market research firm or in the media.

In the data analysis, the results of the survey were weighted to reflect the actual proportion of over ­and under-sampled segments in the population. For this survey, results have been weighted by age, gender and region.

Telephone Interviewing

Interviewing was conducted at Environics' central facilities in Toronto and Montreal.

Field supervisors were present at all times to ensure accurate interviewing and recording of responses. Ten percent of each interviewer's work was unobtrusively monitored for quality control in accordance with the standards set out by the Canadian Association of Marketing Research Organizations.

A minimum of five calls were made to a household before classifying it as a "no answer."

Completion Results

A total of 1,402 interviews were completed. The margin of error for a sample of 1,402 is +/- 2.6 percentage points, 19 times in 20. The margins are wider for regional and demographic subsamples.

The following table presents the detailed completion results for this survey of 1,402 interviews.

Dialled sample

15,352

Household not eligible

153

Non-residential/not in service

4,141

Language barrier 360

 

Subtotal

4,654

New Base (15,352-4,654)

10,698

No answer/line busy/

 

respondent not available

4,739

Refusals

4,490

Mid-interview refusals

67

Subtotal

9,296

Net Completions (10,698-9,296)

1,402