The unified definition of plagiarism has three criteria that all need to match:

(1) The use of ideas, concepts, words, or structures
(2) without appropriately acknowledging the source
(3) to benefit [in a setting where originality is expected].

The most common forms of plagiarism are:

Inaccurately citing the source. 51%
Interweaving various sources together without citing. 43%
Using quotations, but not citing the source. 26%
Proper citations, but failing to change structure/wording of the ideas. 21%
Melding cited and uncited sections of the piece. 17%
Citing some, but not all passages that should be cited. 12%
Re-writing someone’s work without properly citing sources. 11%
Taking passages from own previous work without adding citations. 8%
Submitting someone’s work as own. 2%

Percentage values reflect the number of detected occurences per 100 US undergraduate students.

Summary: Most cases of plagiarism can be prevented by employing proper citation. is a free plagiarism checker and text analytics tool for flesch reading ease, grade levels and other lexical indicators. Plagiarism search uses multiple search engines to check if your input is either unique or plagiarized. Text that has been discovered to be identical with your input, will be marked with a color. It does not find smaller variations of a text but only exact matches and is limited to 360 search queries per day. At any time you can download a PDF report on text analytics, statistics and plagiarism check results. The site also includes academic templates for essay, thesis and dissertation writing, as well as information on proper citing and referencing. It is optimized for a minimum resolution of 1280x1024 and Google Chrome Browser. If you like this service, please use and share the link. Thanks! :) 

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