was employed 11 months, one nine months, one approximately five
months, and one two months.

The field investigations consisted largely of visits to industrial
establishments for the purpose of securing first-hand information as
to industrial conditions and the nature and educational content of
particular occupations. Over 400 visits of this kind were made by
members of the Survey Staff. Many conferences were held with employers
and employees with the object of securing their views as to the needs
and possibilities of industrial training.

The task of tabulating and classifying the data obtained by the
individual investigators in their visits to the local industrial
establishments involved much time and labor. Although it was not found
practicable to maintain complete uniformity in the different
inquiries, the members of the staff kept in close touch with each
other, so that with respect to the points of principal importance, the
results of their investigations are comparable. Practically every
recommendation made in the reports was discussed in conferences with
school principals and with other members of the teaching force engaged
in the teaching of vocational subjects.

Throughout the survey the objective held constantly in mind was the
formulation of a constructive program of vocational training in the
public schools. In outlining the field of inquiry a clear distinction
was drawn between those kinds of general education which have a more
or less indirect vocational significance, and vocational training for
specific occupations in which the controlling purpose is direct
preparation for wage-earning. The studies were purposely limited to
this latter type of vocational training. The survey did not concern