<span>According to Darwin's theory of evolution, which organisms are BEST able to survive in nature are </span>organisms that possess overall characteristics best suited to their environment.
Answer:
Control
Explanation:
In a study of whether a drug might help reduce depression, research participants were assigned to take the drug or a placebo. Those who took the placebo were in the control condition.
In an experiment, the control group are not given the treatment material (drugs in this case). This is to have a basis for comparison of results of the study.
A placebo drug is manufactured not to have any treatment effect on the subjects.
Answer: Vygotsky's
Explanation:
Vygotsky's theory states about development of cognition that takes place through social interactions. He believed that child development can be driven through socio-cultural aspects,language,psychological tools,proximal development zone etc.
According to the question, Mr. Pietrzyk's thinking about children;s development and learning through social interaction is depicting Vygotsky's theory.This helps them in peer meeting and groupings.
D) cognitive, solving puzzles develops those skills
