A research report describing the results from a repeated-measures study states: The data show no significant difference between the two treatments, t(10) = 1.65, p > .05. Based on this report, you can conclude that a total of ____ individuals participated in the research study .
If the following scores were placed in a stem-and-leaf displ…
If the following scores were placed in a stem-and-leaf display, how many leaves would be associated with a stem of 6?Scores: 26, 45, 62, 11, 21, 55, 6664, 55, 46, 38, 41, 27, 2936, 51, 32, 25, 34, 44, 59
A research study comparing mathematics performance for males…
A research study comparing mathematics performance for males and females predicts that females will have higher scores. If a one-tailed test is used to evaluate the results, then what is the correct statement for the alternative hypothesis (H1)?
A two-factor experiment with 5 levels of factor A and 7 leve…
A two-factor experiment with 5 levels of factor A and 7 levels of factor B would consist of ____ separate treatment conditions and the dfFactor B would be ____.
An analysis of regression is used to test the significance o…
An analysis of regression is used to test the significance of a linear regression equation based on a sample of n = 20 individuals. What are the df values for the F-ratio?
What is indicated by a Pearson correlation of r = +1.00 betw…
What is indicated by a Pearson correlation of r = +1.00 between X and Y?
A teacher wants to know whether the children in her class ar…
A teacher wants to know whether the children in her class are performing significantly better on a standardized math test compared to the national average. The national mean score is μ = 85, the national standard deviation is σ = 5, and the mean score in her class is M = 92.5. Use α = .05. What is the z-statistic in this test?
A two-factor experiment with 4 levels of factor A and 6 leve…
A two-factor experiment with 4 levels of factor A and 6 levels of factor B would consist of ____ separate treatment conditions and the dfFactor B would be ____.
In an independent-measures ANOVA, individual differences con…
In an independent-measures ANOVA, individual differences contribute to the variance in the numerator and in the denominator of the F-ratio. For a repeated-measures ANOVA, what happens to the individual differences in the numerator of the F-ratio.
Under what circumstances should the chi-square statistic not…
Under what circumstances should the chi-square statistic not be used?