The five techniques are:
1) Simple Random Sampling
from the start, you take a random sample from the entire population of interest
2) Multistage Sampling
involves two or more random samples, where you first randomly sample clusters, and then randomly sample people in the the selected cluster
3) Cluster Sampling
clusters of participants within the population of interest are elected at random, than sample everyone in each cluster.
4) Stratified Sampling
the researcher identifies particular categories of interest and then randomly selects individuals within each category
5) Oversampling
a variation of stratified sampling in which research er intentionally overrepresents one of the groups.
Learn more about Cluster Sampling here: brainly.com/question/14510792
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<span>They should play an impartial and unbiased role. It should be a fair-play</span>
The answer I believe is D) The loss of healthy young men during World Wars I and II created an excess of healthy, marriageable young women.
Babylonian; Assyrian; Persian
