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1. Blinding is one of the methods used "reduce the possibility of" bias in these types...

1. Blinding is one of the methods used "reduce the possibility of" bias in these types of studies":

A.) Meta-Analysis B.) Some experiments C.) All experiments

2. A method to control the lack of predictive validity of a statistical study is to

A.) Randomly assign individuals into group experiments, B.) Include additional variables in the study., C) Always pick large samples.

3. Not one of the reasons to graph data is:

A.) To decide on the appropriate method of data analysis. B.) To display data's distribution C.) To calculate statistics based on graphs.

4. Boxplots are used for

A.) Displaying numeric and categorical data B.) Assessing numerical, variables distribution shape and variability. C.) Organizing sample data for categorical variables.

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Answer #1

1. C. All experiments
2. B. Include additional variables in the study.
3. C. To calculate statistics based on graphs
4. B. Assessing numerical, variables distribution shape and variability.

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