The validity of a research instrument is its
A.ability to deliver an unchanged measurement.
B.ability to measure what its purpose to measure.
C.None of these
A.ability to deliver an unchanged measurement.
B.ability to measure what its purpose to measure.
C.None of these
A.scientific and practical
B.social and practical
C.social and political
A.systematic observation
B.unsystematic observation
C.science
D.None of these
A.a description of the methods to be used for collecting and analysing data.
B.a summary of the results obtained in previous investigations of similar topics.
C.both of these
A.analysing data
B.coding
C.sampling
A.a university
B.a research institution
C.both of these
A.P. V. Young
B.F. A. Ogg
C.Red Man and Morey
D.None of these
A.answer
B.question or problem
C.society or environment
A.conducted at regular intervals.
B.conducted at more than one time.
C.repetitive survey.
A.social study
B.pilot study
C.research