Exam 9: Experimental Research

Define the following:control group

Define the following:classical experimental design

Define the following:history effects

What term best describes the following experimental design notation?   0 0 0 0 0 0 0 0 0 0 X 0 0 0 0 0 0 0 0

Professor Mike Michaelson just finished a study that used a traditional experimental research design and was based on a sample of students from his introductory psychology class.Despite the fact that his article was published in a leading psychology journal,his colleagues criticized his study as just another example of research termed "science of the sophomore." What specifically was Professor Michaelson apparently guilty of?

Define the following:experimenter expectancy

An advertising firm hired by Multinational Motors wants to demonstrate that its advertising campaigns improve Canadian public perceptions of Multinational Motors' vehicles.The advertising firm surveys Canadians every year over the course of its 10-year contract with Multinational Motors.Each year,Canadian public perceptions of Multinational Motors increased with the exception of 2009.Just prior to conducting the 2009 survey,Multinational Motors was forced to recall an entire line of vehicles with defective brake systems,which resulted in several,highly-publicized deaths.What threat to internal validity might the results of the 2009 survey reflect?

Define the following:Latin square design

Distinguish between random assignment and random selection and then describe how the two are connected.How does random assignment work in practice?