Which of the Following Accurately Summarizes the Results of the Study

question 8

Multiple Choice

Which of the following accurately summarizes the results of the study by Kristiansen and Bjerkedal (2007) of IQ and birth order in Norwegian military recruits?

• A)Second-borns had lower average IQs than did first-borns,regardless of whether or not the second-borns' older siblings had survived past infancy.
• B)Second-borns had lower average IQs than did first-borns only in those cases where the second-borns' older siblings had survived past infancy.
• C)Second-borns had the same average IQs as did first-borns,regardless of whether or not the second-borns' older siblings had survived past infancy.
• D)Second-borns had the same average IQs as did first-borns only in those cases where the second-borns' older siblings had survived past infancy.
• E)Second-borns had higher average IQs than did first borns,regardless of whether or not the second-borns' older siblings had survived past infancy.

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Definitions:

Risky Shift

A phenomenon where group decisions tend to be riskier than the average of the individual choices initially proposed by the group members.

Conservative Shift

A psychological theory indicating that groups tend to make decisions that are more risk-averse or conservative than individual members would make alone.

Group Decision Making

The process by which a group of individuals collaboratively makes a choice from the alternatives.

Company Data

Information related to the business operations, financials, and performance metrics of a company.