Types of Report

United nation statistic office has approved three types of research namely,
1. Preliminary report
2. General report
3. Technical report

1. Preliminary report
Preliminary Research report includes results of studies that is still needed to to be affirmed by established researchers. It likewise incorporates topics where there may be contradictory evidence. The results of these studies are not conclusive. A preliminary report gives the information about the data available for the interested area, which is required to present as soon as possible. This report contains a brief statement about survey method, size of the sample used, method of selecting sample and limitation of the data. It is required to assign budget in advance.

2. General report
A general research report is just a report of any research. Statement of purposes of the survey, Description of the coverage, Nature of the collected information, Method of data collection and analysis, Numerical results, Period of data collection, Cost, Assessment of the fulfillment of the purpose of survey, Names of organization conducting and sponsoring, References are  includes on general report:

3. Technical report
A technical report is a document that portrays the procedure, advance, or consequences of specialized. It is also known as the scientific report. It might also incorporate proposals and finishes of the exploration. It gives emphasis on technical aspects or methodology of conducting research. A technical report is a document written by a
researcher detailing the results of a project and submitted to the sponsor of that project. It is prepared by comparing results.

Besides above mention types, in simple understanding research report can be broadly classified into following two parts:
1. Descriptive report: A descriptive report includes a depiction of suppositions and realities assemble by the analyst
during his/her study.
2. Analytical report: In addition to descriptive report this report presents facts and statistics and interprets this
information in relation to the problem under consideration.