Two critical factors used to distinguish experimental designs from most nonexperimental designs are
A) randomization and equal numbers of participants.
B) elimination of all confounds and randomization.
C) control groups and randomization.
D) sophisticated data analysis and control groups.
Question 2
In an experiment, it is essential that the groups be equivalent on ________ at the start of the study.
A) the independent variable
B) the dependent measures
C) participant numbers
D) both the independent and dependent variables
Fill in the blank with the correct answer.
The factors that influence protein folding and stability.
Factors affecting communication
Experimental Treatment of a Prion Protein Infection
Factors that Influence Pulse Rate
Factors in Food Security
Expansion factors for orifice plates