Read this article about the effect of multitasking on grade performance, paying particular attention to the results section: /content/enforced/1064358-018924-05-1211-1-5001/Effect of multitasking on grade performance.pdf

Answer the following questions based on the article:

1. State the research question using the following form (fill in the blanks): Does _______ affect ________?

2. Based on this question, state the research hypothesis in this form (fill in the blanks): _________ affects ________.

3. State the null hypothesis.

4. What is the independent variable?

5. What is the dependent variable?

6. What is the population of interest?

7. In this study, what (who) is the sample?

a. Was this sample randomly selected or was it a convenience sample:

b. Was the sample randomly assigned to the experimental and control conditions?

9. What is the sample size?

10. What type of research method was used? (Choose one.)

a. case study

b. naturalistic observation

c. survey

d. correlational study

e. post facto research

f. experiment.

11. The experimental group consisted of which students?

12. The control group consisted of which students?

13. Identify the type of t that was calculated in this research (a single-sample, paired samples, or independent samples t-test) and explain why.

14. Write the calculated value of t for texting vs. nontexting students, and the associated p-value.

15. Was the difference between the experimental group and the control group statistically significant?

16. In one or two sentences, summarize the findings of the study: