Experimental Design Flashcards
Study
What is the format for writing a hypothesis?
if ____, then_____, because _____
What is the standard group to which comparisons are made?
Control group
Why is a control group important?
It creates a benchmark to compare collected data to
What do error bars represent in graphs?
The margin of error in collected data
Define control group
The standards to which comparisons are made
What is the independent variable in this?
“How long you sleep affects your test score.”
How long you sleep
What is the dependent variable in this?
“A person’s age affects their reaction time.”
Reaction time
In this experiment:
“Does sleep affect a person’s test score?”
Should the control group be the group of people not sleeping at all?
No
What is the independent variable in this?
“A person’s age affects their reaction time.”
A person’s age
What is the dependent variable in this?
“How long you sleep affects your test score.”
Test score