__1.Research is based on direct experience or observation by the researcher

A.Logical
B.empirical
C.analytical
D.cyclical

__2.The research design is conducted without bias using systematic method and procedures.

A.Critical
B.analytical
C.methodical
D.empirical


__3.Research is based on valid procedures and principles.


A.critical
B.logical
C.analytical
D.replicability