The study, based on direct observation, use of statistical records, interviews, or experimental methods, of actual practices or the actual impact of practices or policies
Data Collection -- legislation & jurisprudence : Improving racial and ethnic data on health : report of a workshop / Panel on DHHS Collection of Race and Ethnicity Data ; Daniel Melnick and Edward Perrin, editors ; Committee on National Statistics, Division of Behavioral and Social Sciences and Education, National Research Council of the National Academies
Systematic gathering of data for a particular purpose from various sources, including questionnaires, interviews, observation, existing records, and electronic devices. The process is usually preliminary to statistical analysis of the data
Systematic gathering of data for a particular purpose from various sources, including questionnaires, interviews, observation, existing records, and electronic devices. The process is usually preliminary to statistical analysis of the data
Data Collection -- psychology : The impact of personality on participation decisions in surveys : a contribution to the discussion on unit nonresponse / Denise Saßenroth
Protective measures against unauthorized access to or interference with computer operating systems, telecommunications, or accompanying data; especially the modification, deletion, destruction, or release of data in computers. It includes methods of forestalling interference by computer viruses or computer hackers aiming to compromise stored data
A method of comparing the cost of a program with its expected benefits in dollars (or other currency). The benefit-to-cost ratio is a measure of total return expected per unit of money spent. This analysis generally excludes consideration of factors that are not measured ultimately in economic terms. Cost effectiveness compares alternative ways to achieve a specific set of results
