Labour Force Survey 2002 - Poland

Abstract
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The survey concentrates on the situation from the point of view of the economic activity of the population, i.e. the fact of being employed, unemployed or economically inactive in the reference week.

The main objective of the survey is obtaining information on participation of persons aged 15 years or more, in regular education, education outside the regular education system (non-formal education), and in informal education.
In particular, the survey results will be used to:
· Identification of the field in which education or training was attended,
· Determining the number and time of learning activities the respondent has attended during the last 12 months,
· Finding reasons for participation in training,
· Evaluation of the extent of the training completion,
· Identification of the most often applied methods of self-learning.

Geographic coverage
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National coverage

Analysis unit
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- Individual aged 15 and over

Universe
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The LFS covers persons aged 15 and over who are the members of sampled households. The survey does not cover the members of households who stayed abroad above 2 months. Neither does it cover the population living in the collective households, such as lodging-houses for employees, student hostels, boarding-schools, army barracks, houses for the poor and the old, etc.

Kind of data
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Sample survey data [ssd]

Sampling procedure
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The Labour Force Survey is the probability sample survey. Its results are generalized on the general population.

Since the fourth quarter of 1999, the observation of the reference week in the middle month of a quarter has been replaced by the continuous observation method, which means that in each of the 13 weeks of a quarter 1/13th part of the quarterly sample of dwellings is surveyed. It allows presenting the situation on the labour market during a whole quarter.

The selection of quarterly samples follows principles of the so-called rotation scheme according to which there are scheduled for the interview in a given quarter: two elementary samples2 surveyed in the previous quarter, one elementary sample introduced into the survey for the first time and one elementary sample that was not surveyed in the previous quarter and had been introduced into the survey exactly one year before. As the result of this rotation system each elementary sample is used according to the 2-(2)-2 principle: two quarters in the survey, two quarters break, again two quarters in the survey and then out.

The selection of the sample to the LFS survey is carried out according to the principles of the two-stage sampling. The first-stage sampling units are census units called census clusters (in urban areas) and census enumerations districts (in rural areas) stratified by voivodships and classes of localities. The second-stage sampling units are dwellings. The selections of the first-stage sampling units and dwellings is carried out on the basis of the National Official Register Territorial Division of the Country, including, i.a. the list of territorial statistical units and the address register of dwellings aggregated in accordance with particular census clusters and census enumeration districts.

Mode of data collection
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Face-to-face [f2f]

Research instrument
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The Labour Force Survey is carried out with the use of two questionnaires:
• ZG Household File - assigned to each household recorded in the surveyed dwelling (ZG Files comprise household register during the entire survey cycle);

• ZD questionnaire, completed each quarter for every person aged 15 years and more present in the household or absent from the household; the ZD questionnaire includes questions concerning the respondent's current economic activity (i.e. the fact of performing work, being unemployed or economically inactive), occupational history, the methods of job search, as well as additional questions concerning, i.e. education and training.

摘要
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本调查从人口经济活动角度出发，聚焦于参考周内就业、失业或经济非活跃状态的情况。
调查的主要目标在于获取15岁及以上人群在正规教育、非正规教育系统（非正式教育）以及非正式教育中的参与情况信息。
具体而言，调查结果将用于以下目的：
· 识别受访者接受教育或培训的领域，
· 确定受访者在过去12个月内参加的学习活动的数量和时间，
· 寻找参加培训的原因，
· 评估完成培训的程度，
· 确定最常应用的自我学习方法。
地理覆盖范围
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全国范围
分析单位
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- 15岁及以上的个人
总体
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劳动力调查覆盖了15岁及以上的、属于抽样家庭的成员。调查不包括在国外停留超过2个月的住户成员，也不包括居住在集体家庭中的人群，例如员工宿舍、学生宿舍、寄宿学校、军营、穷人及老年人住所等。
数据类型
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样本调查数据 [ssd]
抽样程序
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劳动力调查是一项概率样本调查。其结果被推广至总体人口。
自1999年第四季度以来，对参考周中间月份的观察已被持续观察方法所取代，这意味着在每季度的13周中，都会调查季度样本住宅的1/13部分。这允许展示整个季度劳动力市场的状况。
季度样本的选择遵循所谓的轮换方案，根据该方案，在给定季度内安排了以下抽样：上一季度调查的两个基本样本，首次被引入调查的一个基本样本，以及上一个季度未被调查且正好一年前被引入调查的一个基本样本。由于这种轮换系统，每个基本样本都按照2-(2)-2原则被使用：调查两个季度，休息两个季度，然后再次调查两个季度，之后退出。
LFS调查样本的选择遵循两阶段抽样的原则。第一阶段抽样单位是被称为人口普查单元的普查聚类（在城市地区）和按省份和地方类别划分的普查区（在乡村地区）。第二阶段抽样单位是住宅。第一阶段抽样单位和住宅的选择基于国家官方注册的领土划分，包括，例如，领土统计单元列表和住宅地址登记册，这些登记册是根据特定的普查聚类和普查区进行汇总的。
数据收集方式
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面对面 [f2f]
研究工具
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劳动力调查采用两种问卷进行：
• ZG家庭文件——分配给调查住宅中记录的每个家庭（ZG文件包括整个调查周期内的家庭登记）；
• ZD问卷，每个季度由家庭中15岁及以上的每个人或不在家庭中的每个人完成；ZD问卷包括关于受访者当前经济活动（即工作、失业或经济非活跃）的问题、职业历史、求职方式，以及有关教育和技术等方面的附加问题。