Types of evidence - Empirical evidence - Experimental data
3 important questions on Types of evidence - Empirical evidence - Experimental data
Which type of data is most effective to assess the effects of principles?
Experimental data.
What are the two types of experimental evidence and what do these imply?
Laboratory experiments: allows for tighter control.
Field experiment: more realistic, easier to gernealize to real world.
Field experiment: more realistic, easier to gernealize to real world.
What is the best evidence for the principles according to the author?
Meta-analysis: involves a formal collection and analysis of all relevant evidence on a given principle, especially when the evidence involves both laboratory and field experiments. Meta-analyses are of particular value when the conditions are well specified.
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