Choose the One Most Appropriate Answer for Each

question 49

Multiple Choice

Choose the one most appropriate answer for each.
-Australopithecus

• A)shorter than modern humans, but stood upright; stocky body adapted to colder climates
• B)arose in Africa about 2 million years ago; had a significantly larger brain than earlier hominins and a gait similar to modern humans
• C)modern humans since 195,000 years ago
• D)Lucy; lived about 3.2 million years ago

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Definitions:

Worthlessness

A deep feeling of inadequacy or insignificance, often associated with depression and low self-esteem.

Randomized Clinical Trials

Scientific studies where individuals are randomly assigned to one or more treatment groups to evaluate the effectiveness of medical interventions.

Control Group

In experimental research, the group that does not receive the experimental treatment, serving as a comparison for evaluating the effect of that treatment.

Treatment Effectiveness

Treatment effectiveness refers to the extent to which a medical or psychological intervention successfully achieves the desired health outcomes in the real world.