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a course of quasi-experimentation in order
to bring these predictions to the test, and
thus to form our final estimate of the value of
the hypothesis, and this whole proceeding I term
Induction. I speak of quasi-experimentation
because the term experiment is, according
to the usage of scientific men, restricted to
the operation of bringing about certain conditions.
The noting of the results of experiments
or of anything else to which
our attention is directed in advance of our
noting it, is called Observation. But by
quasi-experimentation I mean the entire
operation either of producing or of searching
out a state of things to which the conditional

a course of quasi-experimentatin in order
to bring these predictions to the test, and
thus to form our final estimate of the value of
the hypothesis, and this whole proceeding I term
induction. I speak of quasi-experimen-
tation because the term experiment is, according
to the usage of scientific men, restricted to
the operation of bringing about certain con-
ditions. The noting of the results of expe-
riments or of anything else to which
our attention is directed in advance of our
noting it, is called observation. But by
quasi-experimentation I mean the entire
operation either of producing or of searching
out a state of things to which the conditional