please use the chart blew and explain each question

Question

trail volunteer 1 mm volunteer 2 mm

1 6 10

2 2 10

3 5 9

4 6 12

5 1 8

6 5 8

7 6 1

8 6 8

9 5 3

10 4 3

Refer your Reaction Time Ruler Test experimental results for this set of questions

1. What other environmental or individual differences affected, or might affect, the reaction times that were recorded?

2. Now formulate a hypothesis that you can further test with another set of experiments. What would be your null hypothesis? Hint: This should include one of the environmental or individual variables you mentioned above.

3. What might be your independent variable? What might be your dependent variable?

4. Are the variables you included in your hypothesis discrete or continuous? Explain.

5. Consider what other independent variables might inadvertently be affecting your experiment outcome. That is, what bias or confounding factors might have affected your results?

6. What treatment group could you use to examine how the independent variables affect the outcome of testing your hypothesis?

7. Do you need to have a control in your experiment? Why or why not?

Answer 1

Other environmental or individual differences that might have affected the reaction times recorded could include factors such as lighting, noise level, temperature, age, gender, or experience with reaction time tests. These variables could affect the level of arousal or attention of the participants, and therefore influence their reaction times.

A hypothesis that could be further tested with another set of experiments could be: "Participants who are exposed to high levels of noise during the reaction time test will have slower reaction times compared to participants who are exposed to low levels of noise." The null hypothesis would be: "There will be no significant difference in reaction times between participants who are exposed to high levels of noise and those who are exposed to low levels of noise."

The independent variable in this experiment could be the level of noise exposure, while the dependent variable would be the participants' reaction times.

The variables included in the hypothesis are continuous, as they can take on a range of values rather than being categorical.

Other independent variables that could inadvertently affect the experiment outcome might include the type of reaction time test used, the size or color of the stimuli, the time of day the test was conducted, or the participants' mood or level of fatigue.

A treatment group that could be used to examine how the independent variables affect the outcome of testing the hypothesis would be to randomly assign participants to either a high noise or low noise condition, and measure their reaction times in each condition.

Yes, it is important to have a control in the experiment to ensure that any observed effects are due to the independent variable being tested and not due to other factors. In this case, a control group could be used where participants are tested without any noise exposure to establish a baseline for comparison.