I believe the answer is Observational study
In an observational study, the data input couldn't be controlled by researchers because it's relative to the subject.
This type of study usually being conducted in researchers that involve ethical measurement or Personal opinion.
Answer:
Such society exists even today in Middle East, Africa, Tibet, Middle Asia and Northern part of Nepal. This societies rely on the cultivation of fruits , vegetables and plants in order to survive. Such society is often forced to relocate when the resources of the land of water supplies decrease.
Explanation:
This much
The northwest culture area, for example shared common traits such as salmon fishing, woodworking, large villages or towns and a hierarchical social structure.
Though cultural features, language, clothing, and customs vary enormously from one tribe to another, there are certain elements which are encountered frequently and shared by many tribes.
A small group is similar to an open system in that they are influenced by environmental forces such as cultural, social and economic.
<h3 /><h3>What is systems theory?</h3>
It is the understanding that an effective system must be integrated to all its parts, which generates cohesion, learning and greater coverage of the factors that are interconnected to achieve a common objective.
Therefore, systems theory is related to an open system because it is comprehensive, expansive and integrated with a set of parts that together will determine its performance.
Find out more about systems theory here:
brainly.com/question/8152254
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