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All (132) (0 to 10 of 132 results)

  • 1. Alternative Measures of the Average Duration of Unemployment Archived
    Surveys and statistical programs – Documentation: 11F0019M1995083
    Geography: Canada
    Description:

    This paper examines the robustness of a measure of the average complete duration of unemployment in Canada to a host of assumptions used in its derivation. In contrast to the average incomplete duration of unemployment, which is a lagging cyclical indicator, this statistic is a coincident indicator of the business cycle. The impact of using a steady state as opposed to a non steady state assumption, as well as the impact of various corrections for response bias are explored. It is concluded that a non steady state estimator would be a valuable compliment to the statistics on unemployment duration that are currently released by many statistical agencies, and particularly Statistics Canada.

    Release date: 1995-12-30
  • 2. The Duration of Unemployment: A User Guide Archived
    Articles and reports: 11F0019M1995084
    Geography: Canada
    Description:

    The objective of this paper is to introduce in a new measure of the average duration of unemployment spells using Canadian data. The paper summarizes the work of Corak (1993) and Corak and Heisz (1994) on the average complete duration of unemployment in a non-technical way by focusing on the distinction between it and the average incomplete duration of unemployment, which is regularly released by Statistics Canada. It is pointed out that the latter is a lagging cyclical indicator. The average complete duration of unemployment is a more accurate indicator of prevailing labour market conditions, but some assumptions required in its derivation also imply that it lags actual developments.

    Release date: 1995-12-30
  • 3. The Use of Income Tax Data for the Survey of Labour and Income Dynamics (SLID) Archived
    Surveys and statistical programs – Documentation: 75F0002M1993001
    Description:

    This paper discusses the advantages and disadvantages of an approach to collecting income data being tested for the Survey of Labour and Income Dynamics (SLID) whereby respondents would be encouraged to refer to their T1 income tax forms.

    Release date: 1995-12-30
  • 4. The Survey of Labour and Income Dynamics (SLID) Labour Interview Questionnaire: January 1993 Archived
    Surveys and statistical programs – Documentation: 75F0002M1993002
    Description:

    The paper provides question wording, lays out the possible responses, and maps out the flow of the questions for the Survey of Labour and Income Dynamics (SLID) labour interview questionnaire.

    Release date: 1995-12-30
  • 5. The Survey of Labour and Income Dynamics (SLID) Income Interview: May 1993 Questionnaire and Data Collection Procedures Archived
    Surveys and statistical programs – Documentation: 75F0002M1993004
    Description:

    This paper provides a description of the data collection procedures and the question wordings for the income and wealth portion of the Survey of Labour and Income Dynamics (SLID), as well as some rationale for the chosen direction.

    Release date: 1995-12-30
  • 6. Summary of Observations: Head Office Observers and Interviews: January 1993 Test Archived
    Surveys and statistical programs – Documentation: 75F0002M1993005
    Description:

    This paper presents general observations from the members of the Survey of Labour and Income Dynamics head office project team, a summary of responses by a subset of interviewers in the test who were asked to complete a debriefing questionnaire after completing the test and detailed comments by the observers from Head Office.

    Release date: 1995-12-30
  • 7. The Survey of Labour and Income Dynamics (SLID) Preliminary Interview: January 1993 Interviewer Debriefing Summary Archived
    Surveys and statistical programs – Documentation: 75F0002M1993006
    Description:

    This paper presents responses from a sample of interviewers from each Regional Office who were selected to complete a debriefing questionnaire for the Survey of Labour and Income Dynamics (SLID) preliminary interview.

    Release date: 1995-12-30
  • 8. Qualitative Aspects of the Survey of Labour and Income Dynamics (SLID) Test 3A Data Collection Archived
    Surveys and statistical programs – Documentation: 75F0002M1993007
    Description:

    This report presents a summary evaluation of the quality of the data collected during the Survey of Labour and Income Dynamics (SLID) field test of labour market activity data, held in January and February 1993.

    Release date: 1995-12-30
  • 9. Questionnaire Design in a Paperless Society Archived
    Articles and reports: 75F0002M1993008
    Description:

    This paper describes the learning curve associated with breaking away from the traditional method of developing questions for a "paper and pencil" questionnaire to providing specifications for questions and flows for a programmer. It uses the Survey of Labour and Income Dynamics (SLID) as a case study.

    Release date: 1995-12-30
  • 10. The Survey of Labour and Income Dynamics (SLID) Content Evaluation, the Authority Series: Supervision and Management Archived
    Surveys and statistical programs – Documentation: 75F0002M1993009
    Description:

    This paper presents an analysis of the questions in the Survey of Labour and Income Dynamics (SLID) relating to supervision and management. It uses data collected in January 1993.

    Release date: 1995-12-30
Data (1)

Data (1) ((1 result))

  • 1. National Population Health Survey 1994-1995 Archived
    Public use microdata: 82F0001X
    Description:

    The National Population Health Survey (NPHS) uses the Labour Force Survey sampling frame to draw a sample of approximately 22,000 households. The sample is distributed over four quarterly collection periods. In each household, some limited information is collected from all household members and one person, aged 12 years and over, in each household is randomly selected for a more in-depth interview.

    The questionnaire includes content related to health status, use of health services, determinants of health and a range of demographic and economic information. For example, the health status information includes self-perception of health, a health status index, chronic conditions, and activity restrictions. The use of health services is probed through visits to health care providers, both traditional and non-traditional, and the use of drugs and other medications. Health determinants include smoking, alcohol use, physical activity and in the first survey, emphasis has been placed on the collection of selected psycho-social factors that may influence health, such as stress, self-esteem and social support. The demographic and economic information includes age, sex, education, ethnicity, household income and labour force status.

    Release date: 1995-11-21
Analysis (90)

Analysis (90) (60 to 70 of 90 results)

  • 61. Visitor sample surveys Archived
    Articles and reports: 12-001-X199500114406
    Description:

    This paper discusses the design of visitor surveys. To illustrate, two recent surveys are described. The first is a survey of visitors to National Park Service areas nationwide throughout the year (1992). The second is a survey of recreational users of the three-river basin around Pittsburgh, Pennsylvania, during a twelve-month period. Both surveys involved sampling in time with temporal as well as spatial stratification. Sampling units had the form of site-period pairs for the stage before the final, visitor sampling stage. Random assignment of sample sites to periods permits the computation of unbiased estimates for the temporal strata (e.g., monthly and seasonal estimates) as well as estimates for strata defined by region and by type of use.

    Release date: 1995-06-15
  • 62. Outlier robust Horvitz-Thompson estimators Archived
    Articles and reports: 12-001-X199500114407
    Description:

    The Horvitz-Thompson estimator (HT-estimator) is not robust against outliers. Outliers in the population may increase its variance though it remains unbiased. The HT-estimator is expressed as a least squares functional to robustify it through M-estimators. An approximate variance of the robustified HT-estimator is derived using a kind of influence function for sampling and an estimator of this variance is developed. An adaptive method to choose an M-estimator leads to minimum estimated risk estimators. These estimators and robustified HT-estimators are often more efficient than the HT-estimator when outliers occur.

    Release date: 1995-06-15
  • 63. Median estimation using auxiliary information Archived
    Articles and reports: 12-001-X199500114408
    Description:

    The problem of estimating the median of a finite population when an auxiliary variable is present is considered. Point and interval estimators based on a non-informative Bayesian approach are proposed. The point estimator is compared to other possible estimators and is seen to perform well in a variety of situations.

    Release date: 1995-06-15
  • 64. Markov chain designs for one-per-stratum sampling Archived
    Articles and reports: 12-001-X199500114409
    Description:

    Classical results in finite population sampling tell us that systematic sampling is the most efficient equal-probability one-per-stratum design for certain kinds of autocorrelated superpopulations, but stratified simple random sampling may be much better than systematic sampling if the superpopulation is a trend with uncorrelated errors. What if the superpopulation consists of a trend plus autocorrelated errors? Intuitively, some sort of “compromise” between the two designs might be better than either. Such compromise designs are constructed in this paper and are shown to be examples of Markov chain designs, a wide class of methods for one-per-stratum selection from a finite population. These designs include as special cases systematic sampling, balanced systematic sampling and stratified simple random sampling with one sampling unit per stratum. First and second-order inclusion probabilities are derived for Markov chain designs, yielding the Horvitz-Thompson estimator and its variance. Efficiency of the Horvitz-Thompson estimator is evaluated using superpopulation models. Numerical examples show that new designs considered here can be more efficient than standard designs for superpopulations consisting of trend plus autocorrelated errors. An example of the implementation of Markov chain designs for the 1992 National Resources Inventory in Alaska is given.

    Release date: 1995-06-15
  • 65. Between-state heterogeneity of undercount rates and surrogate variables in the 1990 U.S. census Archived
    Articles and reports: 12-001-X199500114410
    Description:

    As part of the decision on adjustment of the 1990 Decennial Census, the U.S. Census Bureau investigated possible heterogeneity of undercount rates between parts of different states falling in the same adjustment cell or poststratum. Five “surrogate variables” believed to be associated with undercount were analyzed using a large extract from the census and significant heterogeneity was found. Analysis of Post Enumeration Survey on undercount rates showed that more variance was explained by poststratification variables than by state, supporting the decision to use the poststratum as the adjustment cell. Significant interstate heterogeneity was found in 19 out of 99 poststratum groups (mainly in nonurban areas), but there was little if any evidence that the poststratified estimator was biased against particular states after aggregating across poststrata. Nonetheless, this issue should be addressed in future coverage evaluation studies.

    Release date: 1995-06-15
  • 66. Modelling net undercoverage in the 1991 Canadian census Archived
    Articles and reports: 12-001-X199500114411
    Description:

    In 1991, Statistics Canada for the first time adjusted the Population Estimates Program for undercoverage in the 1991 Census. The Census coverage studies provided reliable estimates of undercoverage at the provincial level and for national estimates of large age - sex domains. However, the population series required estimates of undercoverage for age - sex domains within each province and territory. Since the direct survey estimates for some of these small domains had large standard errors due to the small sample size in the domain, small area modelling techniques were needed. In order to incorporate the varying degrees of reliability of the direct survey estimates, a regression model utilizing an Empirical Bayes methodology was used to estimate the undercoverage in small domains. A raking ratio procedure was then applied to the undercoverage estimates to preserve consistency with the marginal direct survey estimates. The results of this modelling process are shown along with the estimated reduction in standard errors.

    Release date: 1995-06-15
  • 67. Weighting schemes for household panel surveys Archived
    Articles and reports: 12-001-X199500114412
    Description:

    Household panel surveys often start with a sample of households and then attempt to follow all the members of those households for the life of the panel. At subsequent waves data are collected for the original sample members and for all the persons who are living with the sample members at the time. It is desirable to include the data collected both for the original sample persons and for the persons living with them in making person-level cross-sectional estimates for a particular wave. Similarly, it is desirable to include data for all the households for which data are collected at a particular wave in making household-level cross-sectional estimates for that wave. This paper reviews weighting schemes that can be used for these purposes. These weighting schemes may also be used in other settings in which units have more than one way of being selected for the sample.

    Release date: 1995-06-15
  • 68. Cross-sectional weighting of longitudinal surveys of individuals and households using the weight share method Archived
    Articles and reports: 12-001-X199500114413
    Description:

    Statistical agencies are conducting increasing numbers of longitudinal surveys. Although the main output of these surveys consists of longitudinal data, most of them are also expected to produce reliable cross-sectional estimates. In surveys of individuals and households, population dynamics significantly changes household composition over time. For this reason, methods of cross-sectional estimation must be adapted to the longitudinal aspect of the sample. This paper discusses in a general context the Weight Share method, of which one application is to assign a basic weight to each individual in a household. The variance estimator associated with the Weight Share method is also presented. The weighting of a longitudinal sample is then discussed when a supplementary sample is selected to improve the cross-sectional representativeness of the sample. The paper presents as an application the Survey of Labour and Income Dynamics (SLID) introduced by Statistics Canada in 1994. This longitudinal survey covers individuals’ work experience, changes in income and changes in family composition.

    Release date: 1995-06-15
  • 69. On efficiency of using distinct respondents in a randomized response survey Archived
    Articles and reports: 12-001-X199500114414
    Description:

    It is well known that the sample mean based on the distinct sample units in simple random sampling with replacement is more efficient than the sample mean based on all units selected including repetitions (Murthy 1967, pp. 65-66). Seth and Rao (1964) showed that the mean of the distinct units is less efficient than the sample mean in sampling without replacement under the same average sampling cost. Under Warner’s (1965) method of randomized response we compare simple random sampling without replacement and sampling with replacement when only the distinct number of units in the sample are considered.

    Release date: 1995-06-15
  • 70. Estimation of correlation in randomized response Archived
    Articles and reports: 12-001-X199500114415
    Description:

    Stanley Warner’s contributions to randomized response are reviewed. Following this review, a linear model, based on random permutation models, is developed to include many known randomized response designs as special cases. Under this model optimal estimators for finite population variances and covariances are obtained within a general class of quadratic design-unbiased estimators. From these results an estimator of the finite population correlation is obtained. Three randomized response designs are examined in particular: (i) the unrelated questions model of Greenberg et al. (1969); (ii) the additive constants model of Pollock and Bek (1976); and (iii) the multiplicative constants model of Pollock and Bek (1976). Simple models for response bias are presented to illustrate the effect of this bias on estimation of the correlation.

    Release date: 1995-06-15
Reference (41)

Reference (41) (0 to 10 of 41 results)

  • 1. Alternative Measures of the Average Duration of Unemployment Archived
    Surveys and statistical programs – Documentation: 11F0019M1995083
    Geography: Canada
    Description:

    This paper examines the robustness of a measure of the average complete duration of unemployment in Canada to a host of assumptions used in its derivation. In contrast to the average incomplete duration of unemployment, which is a lagging cyclical indicator, this statistic is a coincident indicator of the business cycle. The impact of using a steady state as opposed to a non steady state assumption, as well as the impact of various corrections for response bias are explored. It is concluded that a non steady state estimator would be a valuable compliment to the statistics on unemployment duration that are currently released by many statistical agencies, and particularly Statistics Canada.

    Release date: 1995-12-30
  • 2. The Use of Income Tax Data for the Survey of Labour and Income Dynamics (SLID) Archived
    Surveys and statistical programs – Documentation: 75F0002M1993001
    Description:

    This paper discusses the advantages and disadvantages of an approach to collecting income data being tested for the Survey of Labour and Income Dynamics (SLID) whereby respondents would be encouraged to refer to their T1 income tax forms.

    Release date: 1995-12-30
  • 3. The Survey of Labour and Income Dynamics (SLID) Labour Interview Questionnaire: January 1993 Archived
    Surveys and statistical programs – Documentation: 75F0002M1993002
    Description:

    The paper provides question wording, lays out the possible responses, and maps out the flow of the questions for the Survey of Labour and Income Dynamics (SLID) labour interview questionnaire.

    Release date: 1995-12-30
  • 4. The Survey of Labour and Income Dynamics (SLID) Income Interview: May 1993 Questionnaire and Data Collection Procedures Archived
    Surveys and statistical programs – Documentation: 75F0002M1993004
    Description:

    This paper provides a description of the data collection procedures and the question wordings for the income and wealth portion of the Survey of Labour and Income Dynamics (SLID), as well as some rationale for the chosen direction.

    Release date: 1995-12-30
  • 5. Summary of Observations: Head Office Observers and Interviews: January 1993 Test Archived
    Surveys and statistical programs – Documentation: 75F0002M1993005
    Description:

    This paper presents general observations from the members of the Survey of Labour and Income Dynamics head office project team, a summary of responses by a subset of interviewers in the test who were asked to complete a debriefing questionnaire after completing the test and detailed comments by the observers from Head Office.

    Release date: 1995-12-30
  • 6. The Survey of Labour and Income Dynamics (SLID) Preliminary Interview: January 1993 Interviewer Debriefing Summary Archived
    Surveys and statistical programs – Documentation: 75F0002M1993006
    Description:

    This paper presents responses from a sample of interviewers from each Regional Office who were selected to complete a debriefing questionnaire for the Survey of Labour and Income Dynamics (SLID) preliminary interview.

    Release date: 1995-12-30
  • 7. Qualitative Aspects of the Survey of Labour and Income Dynamics (SLID) Test 3A Data Collection Archived
    Surveys and statistical programs – Documentation: 75F0002M1993007
    Description:

    This report presents a summary evaluation of the quality of the data collected during the Survey of Labour and Income Dynamics (SLID) field test of labour market activity data, held in January and February 1993.

    Release date: 1995-12-30
  • 8. The Survey of Labour and Income Dynamics (SLID) Content Evaluation, the Authority Series: Supervision and Management Archived
    Surveys and statistical programs – Documentation: 75F0002M1993009
    Description:

    This paper presents an analysis of the questions in the Survey of Labour and Income Dynamics (SLID) relating to supervision and management. It uses data collected in January 1993.

    Release date: 1995-12-30
  • 9. Qualitative Aspects of the Survey of Labour and Income Dynamics (SLID) Test 3B Data Collection Archived
    Surveys and statistical programs – Documentation: 75F0002M1993011
    Description:

    This report presents a summary evaluation of the quality of the data collected during the Survey of Labour and Income Dynamics (SLID) field test of income and wealth, held in April and May 1993.

    Release date: 1995-12-30
  • 10. Summary of Observations: Head Office Observers and Interviewers: May 1993 Test Archived
    Surveys and statistical programs – Documentation: 75F0002M1993012
    Description:

    This paper presents observations of the field test of the income and wealth content proposed for the Survey of Labour and Income Dynamics (SLID), as reported by members of the SLID head office project team and a summary of responses by a subset of interviewers who were asked to complete a debriefing questionnaire.

    Release date: 1995-12-30
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