Purpose and Design of research projects
13 important questions on Purpose and Design of research projects
What is a Cross-sectional study?
What is a longitudinal study?
What is an interrupted time series design?
There are observations before and after the intervention.
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What is a double-blind study?
What does internal invalidity means?
What does external validity means?
Research question: What is the effect of economic growth on the amount of attention paid to crime in newspapers?
What type of research question is this?
A researcher seesthat the score of onechild on a test thatmeasures the reading ability is threetimes as high as the score of anotherchild on the same test.
What is the level of measurement of the variable?
A researcher is comparing articles in a newspaper, she describes length, position and several aspects of the content and stores all data in a data matrix. Where can the ‘articles’ be found?
A new test measuring someone’s knowledge about all aspects of psychology, only measures someone’s knowledge about social psychology. The instrument lacks …
In the hypothesis “The longer children are using an iPad a day, the more likely they are to have eye-sight problems later in life.” What is the “average time using the iPad a day” in this hypothesis?
A researcher wants toexaminetheamount of violence in cartoons in newspaperswith content analysis.
What are the units of analysis in this research?
A researcher thinksthattherelationshipbetweentheamount of bodyhairandaggressivebehavior in malescanbefullyexplainedbythe testosteron level of a male.
What kind of variable is ‘testosteron level’ in thistheory?
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