hypotheses Flashcards
1
Q
what is a null hypothesis?
A
there is no significant difference
2
Q
what is a one tailed hypothesis?
A
argues in a particular direction
3
Q
what is a two tailed hypothesis?
A
not pointing in a particular direction
4
Q
what is an extraneous variable?
A
not being investigated but has the potential to change/effect results
5
Q
what is a target population?
A
the target population is the group of people from whom the sample is drawn
6
Q
what can you do if sampling is representative?
A
if sample is representative you can then generalise the results of your study to the wider population
7
Q
what are the sampling techniques?
A
random
systematic
stratified
snowball
opportunity
self selected
