Temperature is the independent variable because that is what you are testing. Since you are attempting to measure how well football players do in different climates, you must measure their scores. If you use a different uniform, field, or ball, then the data is obviously going to be inconsistent.
How does temperature affect a football players performance?
When playing football within hot temperatures, a player’s total distance and high-intensity activity will decrease markedly, though accompanying elevations in average heart rate and blood lactate are not always seen, when compared to performance within a temperate environment (Mohr et al., 2012).
How does drinking juice before bed affect how many hours you sleep independent variable?
A person who drinks juice before bed will sleep less hours than a person who does not drink juice.
What is the independent variable in an experiment?
You can think of independent and dependent variables in terms of cause and effect: an independent variable is the variable you think is the cause, while a dependent variable is the effect. In an experiment, you manipulate the independent variable and measure the outcome in the dependent variable.
Where does the dependent variable go in a hypothesis statement?
A hypothesis states a presumed relationship between two variables in a way that can be tested with empirical data. It may take the form of a cause-effect statement, or an “if x,…then y” statement. The cause is called the independent variable; and the effect is called the dependent variable.
How do you manipulate independent variables?
Again, to manipulate an independent variable means to change its level systematically so that different groups of participants are exposed to different levels of that variable, or the same group of participants is exposed to different levels at different times.
What are 3 types of variables?
There are three main variables: independent variable, dependent variable and controlled variables.
Which is the dependent variable?
The dependent variable is the variable that is being measured or tested in an experiment. For example, in a study looking at how tutoring impacts test scores, the dependent variable would be the participants’ test scores, since that is what is being measured.
What is a hypothesis statement examples?
For example, let’s say you have a bad breakout the morning after eating a lot of greasy food. You may wonder if there is a correlation between eating greasy food and getting pimples. You propose the hypothesis: Eating greasy food causes pimples.
Can a hypothesis have two independent variables?
A complex hypothesis has a relationship between variables. However, it’s a relationship between two or more independent variables and two or more dependent variables. You can follow these examples to get a better understanding of a complex hypothesis.
What is a good hypothesis example?
Here’s an example of a hypothesis: If you increase the duration of light, (then) corn plants will grow more each day. The hypothesis establishes two variables, length of light exposure, and the rate of plant growth. An experiment could be designed to test whether the rate of growth depends on the duration of light.