Priority was given to rural areas with a history of a stable population. When selecting speakers, priority was given to men, to the elderly and to those who worked in the main industry of the area, for these were all seen as traits that were connected to use of local dialect.
The focus was on rural areas with stable populations, and when selecting speakers, factors such as age, gender, and occupation were taken into account. These traits were seen as indicative of a strong connection to the local dialect.