Answer:
The answer is sensory adaptation.
Explanation:
Sensory adaptation refers to a decrese in response to a stimulus after prolonged exposure. An example is an initially annoying ticking sound of a clock. After a few minutes, you would stop noticing the sound. For this reason, sensory adaptation plays an important role for holding one's attention.
Answer:
c. Observational studies have both independent and dependent variables.
d. Observational studies can be used to test hypothesis.
Explanation:
Observational studies are ones in which a researcher makes observations about his thoughts and views. He observes the risk and other effects before actual test takes place. This is usually the initial phase of research where observations are made for suitability of certain things that are to be researched. There is initial feasibility test conducted to identify whether the further research process is beneficial or not.
Answer:
Mental operations
Explanation:
Mental operations: The term mental operations is defined by Jean Piaget at a developmental level and by J. P. Guilford from a psychometric perspective.
According to Jean Piaget, mental operations are referred to as the operations that can affect an individual's mental contents. In other words, an individual can imagine precisely the consequence or result of any phenomenon which is happening without the requirement of happening.
An individual having mental operations doesn't think rationally about abstract phenomena.
Answer:
The main goal was the total elimination of poverty and racial injustice
