Randomization in an experimental design assures
a. external validity of the findings.
b. the relevance of the hypothesis in question.
c. accurate observation of the dependent variable.
d. statistical equivalence of groups.
e. lack of pretest sensitivity.
Question 2
The fact that young children's articulation problems often disappear by themselves over time indicates why researchers must use ____in order to have internal validity.
a. control groups
b. informed consent
c. objective measurement
d. pre- and postmeasures
e. statistical analysis
Schematic of an automated external defibrillator (AED) attached to a patient.
Comparison of assessment findings between SIADH and DI.
Internal and external hemmorrhoids.
Experimental Evidence for Infrared Radiation
Use an Automated External Defibrillator
Experimental evidence of cytoplasmic localization in an amphibian oocyte.