Gold standard for nclex Exam 16 2024

Which of the following distributions of normally distributed scores is most heterogeneous? Mean = 100, SD = 5 Mean = 100, range = 12 Mean = 100, SD = 10 Mean = 100, mode = 100 - Mean = 100, SD = 10 Which of the following statements is true? A nonsignificant result means that the null hypothesis is true. Lowering the risk of a Type I error also lowers the risk of a Type II error. The minimal accepted level of significance for most research is .05. The risk of making a Type I error is greater with a .01 level of significance than with a .05 level. - The minimal accepted level of significance for most research is .05. A researcher used ANCOVA to compare the mean depression scores of men and women in two different racial groups (African American and white), holding constant their age. Which variable is the covariate? Depression scores Sex Age Race - Age Which of the following is an effect size index? d χ2 t F - d Which index of central tendency is often used when variables are severely skewed? Range Median Mean Mode - Median Which characteristic would be measured at the nominal level? Number of pregnancies Blood type Score on a depression scale Age - Blood type Which of the following indexes involves a comparison of two risks? The SD Absolute risk reduction Absolute risk Pearson's r - Absolute risk reduction