A method for fitting a hearing aid to the needs of a hearing aid user comprising the steps of - recording the audiogram of the hearing aid user, - selecting a fitting setting and implementing the setting in the hearing aid, - using the hearing aid by the hearing aid user for a period of time, - logging data representing information on the sound environment in which the hearing aid is being used, said data being logged in a memory in the hearing aid, - providing a computer based questionnaire on a first computer, said questionnaire comprising a number of questions directed to the hearing aid users subjective experience with using a hearing aid fitted to the specific hearing loss of the hearing aid user, where each of said questions are to be answered by an indication on a predefined scale, - requesting the user of said hearing aid to fill out said questionnaire, - uploading questionnaire data representing the filled out questionnaire to an internet server, - downloading said questionnaire data from said internet server to a second computer, the second computer being provided with a software package, said software package being applied for analyzing the questionnaire data and the logged data and selecting an adjustment of the hearing aid settings, - transferring said logged data to said second computer, - correlating said downloaded questionnaire data with said logged data by means of said software package by comparing data logged in a specified period up to the time for filling out said questionnaire, with the corresponding questionnaire data in order to estimate an optimum adjustment of the hearing aid settings, wherein the data is collected for a number of hearing aid users, and analyzed statistically in order to identify features of the hearing aid fitting that merits further study. - selecting a new hearing aid setting based on said logged data as well as said questionnaire data, and - implementing the new hearing aid setting into the hearing aid. - recording the audiogram of the hearing aid user, - selecting a fitting setting and implementing the setting in the hearing aid, - using the hearing aid by the hearing aid user for a period of time, - logging data representing information on the sound environment in which the hearing aid is being used, said data being logged in a memory in the hearing aid, - providing a computer based questionnaire on a first computer, said questionnaire comprising a number of questions directed to the hearing aid users subjective experience with using a hearing aid fitted to the specific hearing loss of the hearing aid user, where each of said questions are to be answered by an indication on a predefined scale, - requesting the user of said hearing aid to fill out said questionnaire, - uploading questionnaire data representing the filled out questionnaire to an internet server, - downloading said questionnaire data from said internet server to a second computer, the second computer being provided with a software package, said software package being applied for analyzing the questionnaire data and the logged data and selecting an adjustment of the hearing aid settings, - transferring said logged data to said second computer, - correlating said downloaded questionnaire data with said logged data by means of said software package by comparing data logged in a specified period up to the time for filling out said questionnaire, with the corresponding questionnaire data in order to estimate an optimum adjustment of the hearing aid settings, wherein the data is collected for a number of hearing aid users, and analyzed statistically in order to identify features of the hearing aid fitting that merits further study. - selecting a new hearing aid setting based on said logged data as well as said questionnaire data, and - implementing the new hearing aid setting into the hearing aid.