Components of an experiment
Things that stay the same for everyone in the experiment
What is controlled variables?
An experiment where people are randomly put into groups.
What is true experiments?
How sure we are that the experiment is really testing what we think it is.
What is internal validity?
When people get bored, tired, or better with practice, which changes results.
What is order effect?
a relationship between 2 variables where 1 variable increases as the other variable decreases
What is negative correlation?
The thing that researchers change
What is independant variables?
An experiment done in a controlled place, like a lab.
What is Laboratory experiments?
Whether the results would also happen in real life or with other groups of people.
What is external validity?
Changing the order of tasks so practice or boredom doesn’t affect results.
What is counter-balancing?
a relationship between 2 variables where they both move in the same direction
What is positive correlation?
The thing that gets measured to see the effect
What is dependant variables?
An experiment done in the real world.
What is Field experiment?
A guess that nothing special will happen (no difference or no effect).
What is null hypothesis?
The same people do all parts of the experiment.
What is repeated measures design?
A study that looks at relationships between two things.
What is correlation study?
A factor in an experiment that you are not studying, but it could still affect the result if you don't control it
What is extraneous variables ?
An experiment where people can’t be randomly assigned
What is Quasi-experiment?
A guess about what we think will happen in the experiment.
What is experimental hypothesis?
Different groups of people do different parts of the experiment.
What is independant sample design?
When people think two things are related but they’re not.
What is illusory correlation?
The group in an experiment that doesn't get the thing being tested. It's there so scientists can compare results and see if the treatment actually works
What is control condition?
An experiment where something happens naturally, not set up by researchers.
What is natural experiment?
Turning ideas into things we can measure
What is operationalization?
Pairs of people are matched (like same age), then split into groups.
What is matched pairs design?
We don’t know which thing causes the other, or if they both affect each other.
What is bidirectional ambiguity?