Does caffein affect a student's typing speed? What is your Hypothesis, Indpendent Variable, Dependent Variable, and Controlled Variables(multiple)?

Hypothesis

Hypothesis 1:Caffeine is a stimulant and will result in an increase in the typing speed of the participants.

Hypothesis 2:Caffeine is a stimulant and will result in a decrease in typing accuracy.

Hypothesis 3:The heart rate of the people will increase with the intake of caffeine.

Aim of the study

The aim of this study is to determine the following:

• The effect of caffeine on typing speed

• The effect of caffeine on typing and accuracy.

• The effect of caffeine on the heart rate of people.

Explanation:

Explanation:

Hypothesis : it does affect the typing speed

Variables: type of coffee, amount of caffeine, same time set, same keyboard/computer

sadness is not good

explanation:

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs