Under what conditions would it be appropriate to use a snowball sampling technique?
a. when the characteristic of interest to the study is a deviant one and only a small number of people who know one another are required
b. when your questionnaire can be administered in a narrow geographic area
c. when all you need to do is interview persons from a population where the sampling frame is known
d. when the researcher absolutely must have a sample that is representative of the population from which it is drawn
Question 2
National Crime Victimization Survey and the British Crime Survey both use which of the following techniques to gather data?
a. simple random samples
b. stratified sampling
c. multistage cluster sampling
d. quota sampling
Plant adaptations for salty conditions.
A killer whale plays with a ball of ice, soon after a researcher had thrown a snowball at the whale.
Snowball blossom
STR DNA Analysis Technique
Scapula mobilizing technique: move and lift the scapula by pulling back at the shoulder.
Alternative technique for palpating the thyroid