random sampling Flashcards
Definition
Ensuring everyone in the sampling frame has an equal chance of being picked. Names out of a hat or a computer programme that picks at randon.
Labour Force Survey
A systematic random sample of 650 addresses is drawn each quarter from the LPSA list. The sample size is 120,000 people from a cross section of households. Every quater they use first wave interviews by a team of interviewers who call at each address and attempt to obtain an interview. The method used is a quantitative interviewer led questionnaire where the possible answers are pre coded. Questions are asked of every adult member of the household (aged 16 and over), with a few questions relating to each child in the household.
The Crime Survey of England and Wales
The CSEW is a face-to-face survey which originally targeted between 8000 and 11,000 people between 1983 and 2006. However the 2008 survey conducted 46,983 face-to-face structured interviews with a sample of people aged 16 and over living in private households in England and Wales (representative). 22 trained interviewers use laptop computers to record the responses. The sample is randomly selected from the Postcode Address File.
