Briefly, what is the difference between internal and external validity?
Answer to relevant QuestionsFor each of the following sampling methods, indicate whether it is random (i.e., whether it gives each member of a specific well-defined population an equal chance of being included) or accidental/convenience sampling. Does ...How do between-S versus within-S designs differ? Make up a list of names for imaginary participants, and use these names to show an example of between-S groups and within-S groups. For what types of data would you use nonparametric versus parametric statistics? Assume that a population of thousands of people whose responses were used to develop the anxiety test had scores that were normally distributed with µ = 30 and σ = 10. What proportion of people in this population would ...What recommendations did the APA task force make about reporting statistical results (are significance tests alone sufficient?)
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