id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cieatasu-312	Gill, Michele Gregoire	Does it Work? A Guide to Investigating the Efficacy of Interventions in Educational Research	2010	34	.pdf	application/pdf	9541	526	53	No. 4 8 In the next section, we review research designs for answering causal questions that are concerned with the efficacy of instructional interventions, paying particular attention to some of the newer designs that may overcome some of the limitations encountered when RCTs cannot be conducted. There are a number of research designs that allow researchers to study causal relationships, and the most commonly known is an experiment.	cache/cieatasu-312.pdf	txt/cieatasu-312.txt