# Instructor Presentation Method and Independent Variable Questions

### Question Description

I’m working on a communications exercise and need a sample draft to help me study.

**Research Scenario:**

Imagine that a researcher wants to test if an **instructor’s presentation method (a lecture with PowerPoint OR a lecture without PowerPoint) **will influence their** students’ ability to recall the information.**

The researcher conducts an experiment, n=10 students watch a lecture with PowerPoint and n=10 students watch a lecture without PowerPoint. After each lecture the researcher measures student recall by giving them a 10-point quiz.

She obtains these quiz scores from each lecture:

**With PowerPoint**: 8, 7, 6, 7, 6, 7, 4, 8, 8, 7

**Without PowerPoint**: 7, 6, 8, 4, 4, 6, 4, 5, 7, 6

**New Questions**:

- What is the
**independent variable**in this scenario? Is this variable**nominal or continuous**? - What is the
**dependent variable**in this scenario? Is this variable**nominal or continuous**? - Write the
**null hypothesis**with these variables - Write a
**one-tailed hypothesis**with these variables.**Pick a direction**. - The researcher tests the null hypothesis with a T-Test. The T-Test produces a T value (t Stat) = 1.85. The T Critical value = 1.73.
**Should the researcher reject the null hypothesis or fail to reject the null hypothesis?**Please explain your answer.

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