Answer:
society is a group of people living together to achieve a common goal
Context please so we can understand what you mean
Answer:
D. All of the above.
Explanation:
Their are many reasons why economists study the perfect competition model but we will focus on the options given and it is certified that all of them are the reason for this. Because it is used as a benchmark to compare with other market structures etc.
Firms can enter and leave the market without any restrictions , therefore, there is free entry and exit into and out of the market.
A perfectly competitive firm is known to be a price taker because the pressure of competing firms forces them to accept the prevailing equilibrium price in the market. If a firm in a perfectly competitive market raises the price of its product by so much as a penny, it will lose all of its sales to competitors.
Answer:
C). The early IQ tests lacked validity.
Explanation:
As per the given description, option C displays the most accurate evaluation of the early IQ tests that they lacked validity because these assessments did not consider 'the true educational potential of the person' but rather focused on testing the 'subject's knowledge of the upper-class white....them' that affects the authenticity of the claim and makes it biased. A valid IQ test is demonstrated as the test that emphasizes to examine the actual educational knowledge of the individual who is being tested instead of checking their knowledge on certain pre-defined parameters.