Final answer:
A good appeal letter to a donor should articulate the importance of the cause, using logical argumentation, emotional narratives, and credibility to persuade the reader. It should be concise and clearly structured, concluding with a strong call to action that resonates with the donor's values.
Step-by-step explanation:
A good appeal letter to a donor should clearly convey the importance of your cause, presenting a logical argument supported by facts (logos). In the body of your letter, use concise language and logically structured paragraphs to explain the significant aspects of your request. Avoid overwhelming the reader with personal issues -- instead, focus on how the funding will impact the cause positively and bring about change. For a persuasive argument, also include emotional appeals (pathos) that resonate with the reader's compassion or values. Additionally, establishing credibility (ethos) by showcasing prior successes or endorsements can help to strengthen your case. Remember to align your appeal with the specific interests of the donor to emphasize how their contribution will address a need that aligns with their values. Lastly, a call to action is crucial, specifying what the donor can do to support your cause.
For example, if you are writing a letter to raise funds for an educational program, start by mentioning how you became aware of the donor's engagement in similar causes. Present factual information about the program's success and needs, and appeal to the donor's emotions by sharing stories of how the program has changed lives. Conclude with a clear call to action, encouraging the donor to invest in the future of the students by supporting your program.