The research error described above is an example of selection bias.
Selection bias takes place when, from a population of interest, a group of individuals is selected in order to construct a sample but without a proper randomization. The result is a sample which is not representative of the underlying population.
According to the example, the target population of the research comprises all students but the sample only includes boys. Hence, selection has not been random because it followed a gender criteria, and the results obtained using it cannot be applicable to the whole population because they are affected by a selection bias.
The prophet and founder of Islam was MOHAMMAD (S.A.W)
Answer:
peasant
Explanation:
A peasant is a pre-industrial agricultural laborer or farmer with limited land ownership, especially one living in the Middle Ages under feudalism and paying rent, tax, fees, or services to a landlord. In Europe, three classes of peasants existed which are slave, serf, and free tenant.
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Answer:
ok i guess, school ain't that fun
Explanation:
Colonialism was over and independence was the goal
