SQL Server: SUBSTRING Function. This SQL Server tutorial explains how to use the SUBSTRING function in SQL Server (Transact-SQL) with syntax and examples. In SQL Server (Transact-SQL), the SUBSTRING functions allows you to extract a substring from a string.
List of psychological research methods. From Wikipedia, the free encyclopedia. A wide range of research methods are used in psychology. These methods vary by the sources of information that are drawn on, how that information is sampled, and the types of instruments that are used in data collection.Methods also vary by whether they collect qualitative data, quantitative data or both.ualitative psychological research is where the research findings are not arrived at by statistical or other quantitative procedures. Quantitative psychological research is where the research findings result from mathematical modeling and statistical estimation or statistical inference.
Statistics: Scientific method Â· Research methods Â· Experimental design Â· Undergraduate statistics courses Â· Statistical tests Â· Game theory Â· Decision theory. Unobtrusive research (or unobtrusive measures) is a method of data collection used primarily in the social sciences.The term unobtrusive measures was first coined by Webb, Campbell, Schwartz, & Sechrest in a 1966 book titled Unobtrusive methods: Nonreactive research in the social science.They described methodologies which do not involve direct elicitation of data from the research subjects.nobtrusive measures are contrasted with interviews and questionnaires, in that they try to find indirect ways to obtain the necessary data. The unobtrusive approach often seeks unusual data sources, such as garbage, graffiti and obituaries, as well as more conventional ones such as published statistics.