Definitions Flashcards
What is an independent variable (IV)?
The variable that the researcher changes
State all the ethics
- consent
- debrief
- deception
- right to withdraw
- right to privacy
- confidentiality
- do not harm participants
What is the dependant variable (DV)?
The variable that the researcher measures
What does operationalise mean?
It is when you state how you will measure the IV and DV
What is an alternate hypothesis?
Opposite to a null hypothesis, states an outcome
What is a null hypothesis?
An hypothesis where there is no direction
What is a one-tailed hypothesis?
A hypothesis that states a direction positive or negative
What is a two-tailed hypothesis?
An hypothesis that could go either way
Eg. There will be a relationship between 1 and 2
What is the independent measures design?
Different participants are used in each conditions
What is the repeated measures design?
The same participants are used in every condition
What is matched pairs design?
The participants are matched on certain things
Eg. Over 50’s in condition 1
What are order effects?
The order in which conditions take place may effect the validity
What is counterbalancing?
When the sample is split in 2 and do the conditions in different orders
What is a laboratory experiment?
An experiment that takes place in controlled conditions in a lab
What is a field experiment?
An experiment done in a public place
What is a quasi experiment?
An experiment where the IV is naturally manipulated
Eg. 2 conditions of people with a disability and without
What are demand characteristics?
A change in the participants behaviour that makes them act how they believe the researcher wants them to act
What is a correlation?
The relationship between two variables
What is a positive correlation?
As one variable increases so does the other one
What is a negative correlation?
When one variable increases the other decreases
What is an observation?
When the researcher watches the participants
What is a covert observation?
When the researcher watches the participants without them knowing
What is an overt observation?
Participants know they’re being watched by the researchers