Makale özeti ve diğer detaylar.
The main purpose of this research was to study how the instructiveness of the letter, one of the writing to learn activities; changes according to the person to whom it is written (the addressee). The document analysis method was used in this qualitative study. Since documents are very important information sources used effectively in qualitative studies, their authenticity is important. The book named "Letters from Father Inönü to Erdal Inönü" published by Bilgi Publishing in 1988 and prepared for printing by Sevgi Özel with the permission of the Inönü Foundation and the letters published under the title "The letters of Erdal Inönü to his father" by Can Dündar in his column in the Milliyet on 17, June, 2007 were analysed using the qualitative analysis method. It was analysed in the study that how the instructiveness of the letters (1947-1951) whose content was only related to physics and written from father to son and from son to father changed according to the addressee. The documents analysed in this study provide the first three stages of document analysis, which has five stages namely; access to the documents, control of their authenticity, understanding the documents, analysis of the data and the use of the data. The findings of the research support the views of the students, who stated that they had written more clearly to students who were younger than they were or studying in the subclasses than they had written to their teachers in the studies conducted previously.