Dr. thomas and his colleagues want to study the effects of spanking on child temperament. as dr. thomas cannot randomly assign children to either be spanked or not, he must conduct a(n) study.

Dr. Thomas should conduct a correlational study

Explanation:

The correlational study refers to the method by which two variables are measured and studied to assess the statistical relationship between the variables without controlling the extraneous variables.

It is a type of non-experimental research or method to check for the existence of relationship by correlating the two variables.

Therefore, the Dr. Thomas should conduct a correlational study.

c. wright mills's sociological imagination suggest investigating to explain this increase?

chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.