Dr. Patterson concludes from her research that using a systematic study strategy CAUSED good grades for students assigned to a particular group. For this conclusion to be valid, the type of research that was performed must have been what type of study?
A. Correlational
B. Descriptive
C. Experimental
D. Observational
Answer:C
Dr. Patterson concludes from her research that using a systematic study strategy CAUSED good grades for students assigned to a particular group. For this conclusion to be valid, the type of research that was performed must have been what type of study?
A. Correlational B. Descriptive C. Experimental D. Observational
Explanation: C) Dr. Patterson can infer cause and effect only from experimentation. Correlational research and observational research provide descriptive results that do not support causal relations. However, these latter two types of research can often lead to questions that can be studied by means of experimental research.