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If there is a difference between the pretest scores of the intervention and comparison groups in the NEGD,it indicates that there is selection bias.
Q17: A typical research paper is _ pages
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Q30: The t-test,one-way ANOVA,and regression analysis are mathematically
Q42: The scaling systems developed by _ yield
Q43: Research designs that have several of the
Q46: What design is shown in the accompanying
Q50: The branch of mathematics dealing with the
Q51: Hannah has developed a scale for assessing
Q53: In a(n)_ design some of the cells