Exam 8: Data Analysis and Results: Examining What Was Found in a Quantitative Study

Four different predictor variables A, B, C, and D) were measured. The researcher used the Pearson correlation coefficient to assess the relationship of each variable with the dependent variable. The resulting coefficients are summarized in the following table. Variable r A 0.3 0.09 B -0.9 0.96 C -0.5 0.30 D 0.15 0.02 p<.05;p<.01 -Which predictor variable A, B, C, or D) has no relationship with the dependent variable?

Percentile rank is an example of what kind of statistic?

Four different studies A, B, C, and D) were conducted and a summary of the results is given in the following table. Study df t value p value Effect size A 8 2.306 0.05 1.8 B 12 1.356 0.20 0.3 C 20 2.528 0.02 0.6 D 30 1.697 0.10 0.6 -Which of the studies A, B, C, or D) had the most practically significant difference between the two groups?

What level of  is traditionally used by researchers in education and social sciences?

What is the first step in the process of testing a hypothesis in a quantitative study?

Four different predictor variables A, B, C, and D) were measured. The researcher used the Pearson correlation coefficient to assess the relationship of each variable with the dependent variable. The resulting coefficients are summarized in the following table. Variable r A 0.3 0.09 B -0.9 0.96 C -0.5 0.30 D 0.15 0.02 p<.05;p<.01 -Which predictor variable A, B, C, or D) has the strongest relationship positive or negative) with the dependent variable?

Four different studies A, B, C, and D) were conducted and a summary of the results is given in the following table. Study df t value p value Effect size A 8 2.306 0.05 1.8 B 12 1.356 0.20 0.3 C 20 2.528 0.02 0.6 D 30 1.697 0.10 0.6 -Which of the studies A, B, C, or D) had the most statistically significant difference between the two groups?

Which is the first step that researchers use to analyze quantitative data?

If a researcher reports the most common response given to an item, which statistic would you expect to find?

If a researcher sets the alpha level at .05 and obtains a p value of .06, this means that a null hypothesis would

Which of the following represents an example of a summed score in quantitative data analysis?

Why is it useful for a researcher to assess the effect size in addition to hypothesis testing?

What is the maximum level of risk researchers are willing to take that they incorrectly conclude that they found a significant difference or relationship?

Four different predictor variables A, B, C, and D) were measured. The researcher used the Pearson correlation coefficient to assess the relationship of each variable with the dependent variable. The resulting coefficients are summarized in the following table. Variable r A 0.3 0.09 B -0.9 0.96 C -0.5 0.30 D 0.15 0.02 p<.05;p<.01 -Which predictor variable A, B, C, or D) has the most positive relationship with the dependent variable?

You are reading a research report summarizing the findings for a study of first-year teacher anxiety in the classroom. You read the following results: "Teachers' perceptions of students' skill level was the most powerful predictor; it accounted for an additional 28% of the variance β = .35, p < .001)." From looking at the p value, you would conclude

You are reading a research report summarizing the findings for a study of first-year teacher anxiety in the classroom. You read the following results: "The average score for teachers on all items on the anxiety instrument was 65.76 with a standard deviation of 5.6. The scores varied from a low of 45 to a high of 75 on the instrument." What type of research question would likely result in this type of statement?