Most of the materials you submit for the evaluation of your application to a graduate program are objective and quantitative: grade-point average, Graduate Record Exam scores, class standing, and so forth. Letters of recommendation are the important exception; they should mention all your positive qualities not revealed by objective data such as GRE scores. A substantive letter from an informed referee can often be very persuasive to graduate admissions committees, especially in "borderline" admissions decisions.
Letters of recommendation may touch on the following points of potential interest to graduate admissions committees:
Letters of recommendation play an especially important role if there is some anomalous or seemingly contradictory aspect of your application. For example, consider a student whose financial or family problems had an adverse impact on academic performance during a particular year. A letter- writer can offer an explanation that prevents this from being held against the student.
Most schools ask you to provide three letters of recommendation. Naturally, you should get letters from faculty who know you best. A bland or neutral letter, from somebody who knows you only as a name on a class roll, can hurt more than it helps.
Good prospects for good letters are your advisor and those faculty teaching the smaller, intensive courses required of all majors such as Statistics and Research Methods (your grades in which graduate schools review especially carefully).
Other helpful letters could be provided by faculty with whom you have done Directed Research, those from whom you have taken several courses, or faculty with whom you have an affinity and who know you well. Ideally, your referees (letter-writers) are your advocates for admission. However, their advocacy can be only as effective as their knowledge about you.
The single best thing you can do, to get a good letter of recommendation--particularly if a teacher does not have a long acquaintance with you--is to provide your letter writer with useful information. Here is the type of information letter writers often find helpful:
APA-style reference for this page:
Lloyd, M. A. & Dewey, R. A. (1997, July 16). How to get good letters of recommendation. [Online]. Available: http://www.psywww.com/careers/lettrec.htm.
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