0 used to describe someone who does something not as their job but because they are interested in it: --
1 used to describe a job that does not need a high level of training or education: --
Irrigation was carried out whenever self-harvesters believed it was necessary, according to non-professional decision criteria.
The professional females are therefore at one end of the scale of relative conservatism and the non-professional males at the other.
In addition to testing conditions, the non-professional nature of the sample may also help explain fourth graders' displaying more sophisticated definitional form than their parents.
The non-professional males are less relatively conservative than the other groups, par ticularly the older nonprofessional males.
Attitudes were unaffected by learning disability training and non-professional contact.
However, the distinction between a professional and a non-professional tattooist was not always clear.
These are commercial farmers, shopkeepers, craft market peddlers and any other form of non-professional self-employment without a regular income.
Sometimes it takes the form of professional or technical assistance, at other times it either assists with or substitutes for non-professional care.
