.
Natural environment means it has greater ecological validity
High level of control over variables means cause and effect relationships can be established
No demand characteristics because the participants are unaware they are being tested
The IV studied is naturally occuring
It is carried out in a natural environment so participants are unaware they are being tested
The experimenter manipulates two IVs
True
False
Repeated measures design
Matched pairs design
Independent measures design
An alernate hypothesis
A null hypothesis
A lie
Repeated measures design
Matched pairs design
Independent measure design
Avoids order effects and individual differences
Any difference in performance could be down to individual differences
It is difficult and time consuming as it relies on valid tests
Natural environment means greater ecological validity
High level of control means it is easy to replicate
May be unethical
Lower demand characteristics so results are more valid
The thing the researcher measures
Whether the experimental or null hypothesis is accepted
The thing the researcher manipulates
Girls will be more aggressive than girls
There will be no difference in aggression between boys and girls
There will be a significant difference in aggression between girls and boys