A logframe is another name for logical framework. It is a planning tool consisting of a matrix which provides an overview of a project's goal, activities and anticipated results.
It tells you how close your results reflect the views from the overall population. An acceptable margin of error used by most researchers typically falls between 3% and 8% at the 95% confidence level.
A statement from the sponsor setting out objectives and background to the case in sufficient detail to enable the researcher to plan and appropriate study. As a general rule, a market research study is only as good as the brief itself.
Arrays of numbers arranged in rows and columns that provide a logical basis for the planning of such projects. Matrices are used in various field, including linear algebra, statistics, and computer science.