Sampling

Question 1

population

Answer 1

group of people that are the focus of the researchers interest

Question 2

what is sampling

Answer 2

when a group is drawn from the population

Question 3

random sample

Answer 3

all members of population have equal chance of selection (random number generator used)

Question 4

pros of random sampling

Answer 4

no researcher bias (they havent chosen a specific demographic)

Question 5

cons of random sampling

Answer 5

difficult and time consuming, there is a rare chance that there could be a limited variety of people

Question 6

what is a systematic sample

Answer 6

every nth number selected from the list

Question 7

pros of systematic sample

Answer 7

avoids researcher bias and is fairly representative

Question 8

cons of systematic sample

Answer 8

time consuming

Question 9

what is stratified sampling

Question 10

pros of stratified sampling

Answer 10

avoids researcher bias and is very representative

Question 11

cons of stratified sampling

Answer 11

complete representation is not possible

Question 12

what is an oppotunity sample

Answer 12

researchers choose whoever is willing and able

Question 13

pros of an oppotunity sample

Answer 13

convinient and less costly, less time consuming

Question 14

cons of an oppotunity sample

Answer 14

not a good representative as it is not random

Question 15

what is volunteer sampling

Answer 15

particpants select themselves to be a part of the sample

Question 16

pros of volunteer sampling

Answer 16

it is easy to collect participants
ethical issues are limited

Question 17

cons of volunteer sampling

Answer 17

may attract a certain demographic as it is not random, which may effect findings