Answer:
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Answer:
society.
Explanation:
The evolutionary theory of Charles Darwin inspired many sociologist to suggest that society is itself an organism which evolves from a primitive stage to a modern one. L.H Morgan suggests three stages of evolution which are savagery, barbarism, and civilization by which society moves from simple to more complex form. British sociologist Herbert Spencer applied Darwin's theory of survival of the fittest to society and according to him western societies are better adaptive to the changing times and therefore they are surviving and evolving.
In some research, the researchers are not able to use random assignments to divide participants among groups. Instead, they compare preexisting groups, which results in a quasi-experimental design.
Random assignments are those which are given as a matter of chance to ensure fairness and equal opportunity for all participants. Here participants forming multiple groups are with similar characteristics. So all groups are the same at the start of the experiment.
A quasi-experimental design applies a non-random method, and subjects are assigned to preexisting groups. There are some situations where true experiments can't be used for practical reasons. In such cases, a quasi-experimental design is a suitable tool.
To learn more about quasi experimental design here
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Answer:
1. cluster samples rely on clusters of participants;
multistage samples collect data from participants at different stage
Explanation:
Under clusters sampling, sampling plan involves the division of total population into groups (known as clusters) where simple random sample of the groups is selected; elements in each cluster are then sampled.
Multistage sample involve sampling in stages which becomes smaller in each stage. It could be a complex form of cluster sampling.
<em>Answer:</em>
<em>encode selectively </em>
<em>Explanation:</em>
<em>In psychology, </em><em>selective encoding is defined as a phenomenon through which a child gets insight about different problems and distinguishes it on the basis of a problem which is being considered as important and problem which is considered as irrelevant. In other words, a child will look for a problem which he or she finds to be important while working on something whereas ignores other things.</em>
<em>In reference to the given question, children must encode selectively.</em>
