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  • Articles and reports: 12-001-X197800154832
    Description: This paper describes a survey design established to measure truck commodity flows in Peru. The article addresses the conceptual and operational features of the survey design as well as describing its elements and implementation techniques in the context of a pilot project. Finally, the paper illustrates how the results of this pilot might be used to design and implement a full-scale national survey.
    Release date: 1978-06-15

  • Articles and reports: 12-001-X197800154833
    Description: The total variance of a survey estimate incorporates sampling variance, simple response variance and correlated response variance. The last component reflects the part of the total variance due to a common influence on a group of respondents. In the Canadian census, self-enumeration was adopted as the standard method of enumeration in the 1971 Census. One factor in favor of introducing this method was evidence, from the 1961 Census, that correlated response variance made an important contribution to the total variance of census estimates. Based on a study conducted using interpenetration of interviewers, this article compares correlated response variances from the 1961, 1971 and 1976 Censuses. The empirical results demonstrate that although the self-enumeration adopted in the 1971 Census did not completely remove the correlated response variance, this approach has considerably reduced the magnitude of this component of variance for almost all the characteristics examined.
    Release date: 1978-06-15

  • Articles and reports: 12-001-X197800154834
    Description: This article presents the findings of an experimental design set up to study the variation in refusal rates to the different modules of the physical measures component of the Canada Health Survey. The study indicated that interviewer teams have a significant impact on refusal rates. Also, a large proportion of the refusals was due to total family refusals rather than individual refusals within responding families.
    Release date: 1978-06-15

  • Articles and reports: 12-001-X197800154835
    Description: Raking ratio estimators give estimates of the population values of characteristics examined on a sample basis utilizing the row and column totals of a contingency table of characteristics examined on a 100% basis. In this paper, the asymptotic variance of the maximum likelihood estimator of a sample characteristic subject to the marginal constraints of the above contingency table is derived. From this, we are able to compute the loss in efficiency of the raking ratio estimators relative to the maximum likelihood estimator in an empirical study.
    Release date: 1978-06-15

  • Articles and reports: 12-001-X197800154829
    Description:

    This paper advances the case that administrative records are a powerful source of statistics and in support of this conclusion provides an overview of the extensive utilization in Canada of administrative records for statistical purposes. The paper discusses recent developments and the changing environment which are seen as major determinants of both the creation of administrative data bases as well as their utilization. The capabilities of the computer, combined with the extensive demand for statistics and the limited financial resources available to meet that demand, are seen as combining to lead to more extensive use of administrative records. A variety of problems associated with the use of administrative records is specified and the development of strategies to meet these problems and permit utilization of administrative records is described. Recent developments in Canada intended to support the use of administrative records are indicated.

    Release date: 1978-06-15

  • Articles and reports: 12-001-X197700254828
    Description: Non-response exists in any survey, but its magnitude depends upon the type of survey, the interviewers’ ability to conduct an interview, and the respondents’ motivation to respond to survey questions. This paper discusses non-response in relation to a number of household surveys and in particular the behaviour of non-response rates over time in a continuous survey such as the Canadian Labour Force Survey.

    A profile of interviewers employed by Statistics Canada shows that the correlation between non-response and a number of interviewer characteristics is not significant. Respondents themselves, and their motivation, are the key elements in an interview process and therefore in respondent relations.

    This article draws on the results of various studies conducted to investigate the effects of response burden, choice of respondent and response incentives to provide some insight into the characteristics of non-respondents.

    Release date: 1977-12-15

  • Articles and reports: 12-001-X197700254829
    Description: Results of an earlier paper on the use of raking ratio estimators are extended to the case of cluster sampling. An empirical study is discussed.
    Release date: 1977-12-12

  • Articles and reports: 12-001-X197700254830
    Description: The distribution of questionnaires to Canadian residents returning by land from the U.S. has been substantially modified, in an effort to improve sample yield at minimal additional cost. For each border crossing ("port") involved, a systematic sample of multi-day distribution stints has been selected. The sample selection method is described, the constraints which determined it are discussed, and some preliminary data on the method’s effectiveness are presented.
    Release date: 1977-12-12

  • Articles and reports: 12-001-X197700254831
    Description: This article describes briefly the methodology of the Occupational Employment Survey, which has been conducted every second year since 1973. The article presents the scope of the survey, the sampling plan and the estimation procedure.
    Release date: 1977-12-12

  • Articles and reports: 12-001-X197700254832
    Description: In periodic household surveys, area samples are usually selected in geographic strata with probability of selection of areal units proportional to population size in these units. The design-based estimates for areas composed of domains within strata can have poor precision due to cluster sampling with a few primary sampling units per stratum. In this paper, synthetic estimates are investigated as an alternative to these estimates. An empirical evaluation based on the design of the Canadian Labour Force, Survey is given.
    Release date: 1977-12-12
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