SPCE 630 Module 5 Complete Questions With Multiple Choices And Correct Answers

The Null Hypothesis: - correct answers States that any difference in the groups is due to chance Results of group design yield: - correct answers A statistical relationship between the IV/DV Researchers want to determine if sleep deprivation affects exam scores in college students. The researchers plan to calculate a test statistic. Which would be a more appropriate study design? - correct answers Group Design Researchers want to know if providing noncontingent attention will reduce a 3-year-old's attention-maintained physical aggression. The researcher will use visual analysis. Which would be a more appropriate study design? - correct answers Single Case Research Design Measures of central tendency include which of the following (check all that apply): - correct answers Mean, Median, and Mode Measures of dispersion include which of the following (check all that apply): - correct answers Standard Deviation, Variance and Range Steps of sampling include which of the following (check all that apply): - correct answers Defining the population Defining the sample Determining the sample size needed Determining the method for pulling the sample Which type of sampling error refers to a lack of true understanding of the population researchers want to study? - correct answers Population error Which type of sampling error refers to the wrong sub-population being used to select the sample? - correct answers Sampling fram error Which statistical considerations are used to determine the sample size needed for a study? - correct answers Power Effect Size Rejection Criteria