Sampling in Psychology

Sampling Sampling Sampling

HideShow resource information
  • Created by: Kinsy
  • Created on: 21-09-09 21:13
Preview of Sampling in Psychology

First 143 words of the document:

SAMPLING
Uneconomic
May not have the
Ideal for statistical
1 RANDOM SAMPLING accurate details of
purposes the population
Members of the target population have Hard to achieve in
an equal chance of being selected practice
= follows no predictable manner
2 OPPORTUNITY SAMPLING
ADVANTAGES DISADVANTAGES
When people just happen to be there, e.g ps in
your class that you are using
= this is like my experiment of "Do you think
people have negative perceptions of the obese
DCs may occur
Highly ethical ­ Ps variables may
3 SELF SELECTED SAMPLING occur, e.g much
they want to be in
the experiment nicer people may
volunteer
These are ps who are volunteers, may be
through advertising, like Baron ­ Cohen
study 1997, condition one

Other pages in this set

Page 2

Preview of page 2

Here's a taster:

STRATIFIED SAMPLING
Involved in classifying the population into
categories, non overlapping groups/ strata, e.g
geographical areas, age groups, genders.
= A SAMPLE IS TAKEN FROM EACH STRATUM
Picking only
one participant
Not representing
Quick and cheap
5 QUOTA SAMPLING the population as
to organise a whole
(Similar to stratified sampling)
The sample is made up by the interviewer, e.g
the interviewer may sample ages 45 ­ 60.…read more

Comments

No comments have yet been made

Similar Psychology resources:

See all Psychology resources »See all resources »