Answer:
barter system.. hope it helps
The correct answer is A) Zimbardo did not use a control group.
The major flaw in the research design of the Stanford prison experiment was that Zimbardo did not use a control group.
A control group was necessary to study a particular variable in prison. He had no alternative group to compare and measure the results of the experiment.
Other mistakes he had were that he was part of the experiment. He participated as the prison superintendent. He was an authoritative figure inside the experiment of the prison and influenced the behavior of his students. He should have a neutral position.
Answer: When the dentist was drilling my tooth, he didn't give me enough novacaine. I felt the pain, and I <u>winced.</u>
Answer:
D
Explanation:
You become curious about what third variables might cause both increases in gum chewing and increases in life expectancy.
Answer:
Compared with preschoolers, school-age children are more agile and have better balance.
Explanation:
In young children, there are normally three stages of development. They are :
Gross motor development in a child describes how children are developing their motor skills which involves their larger muscles, jumping, catching, throwing, skipping, running etc.
The balance motor development and the agility gross motor development in kids shows that school going children are more agile and can balance themselves more easily than the preschoolers.