Observation implies the use of eyes rather than of ears and of the voice, is said by
A.C.A. Moser
B.P.V.Young
C.Bogardus E.S
A.C.A. Moser
B.P.V.Young
C.Bogardus E.S
A.two groups
B.four groups
C.unlimited groups
A.systematised effort to gain new knowledge.
B.systematic method of discovering the new fact.
C.None of these
D.both of these
A.P.V. Young
B.Harlod D. Lasswell
C.Karl Marx
A.physical science
B.medical science
C.social science
A.survey
B.observation
C.experiment
A.independent variables
B.dependent variables
C.both of these
A.expressed in numbers
B.expressed in words
C.both of these