Distance learning's interfaces from corresponding through the postal service to the televised talking head have traditionally been designed from the top down, supporting banking models of learning or, in writing instruction, current-traditional rhetoric pedagogies.
For example in Canada community boundaries was based on an area (suburb or town) name and the corresponding cluster of postal codes.
To minimize this, a trained interviewer made all the interviews using a structured guide closely corresponding to the postal questionnaire.
There was no significant evidence of any overall increase in the risk of melanoma in oral contraceptive (OC) users (data from GP records-ever use vs never use, relative risk (RR) 1.34, 95% confidence limits 0.92-1.96; correspondata data from postal questionnaires-RR 1.13, limits 0.73-1.75).
Our analysis of the Canadian biotechnology industry during the 1990s reveals that inventive and uninventive locations are distinguishable within small geographic areas corresponding to roughly 7000 postal addresses.
The daily numbers of ER visits were identified through the National Ambulatory Care Reporting System NACRSS) [ 15] using the first three digits of available postal codes corresponding to the city of Toronto [ 15].
Forty-five percent of individuals with available data (183/410), had postal codes corresponding to the lowest neighbourhood-level income quintile and the median income quintile was the second income quintile, representing an estimated range of C$29,037 C$33,94444 (Table 1).
Seventy-eight of the one hundred and twenty-nine (60%) individuals with financial hardship also had postal codes corresponding to the lowest income quintile, and the association was significant (Pearson Chi-square = 19.09, p < 0.001).
We observed 7% discordance between client surveys and corresponding electronic records in the postal code field; this may be the result of client relocation rather than data entry error.
