Dr Chen Found That Class Projects Were of Poorer Quality

question 221

Multiple Choice

Dr. Chen found that class projects were of poorer quality when students worked in groups than when each student did an individual project. This difference can be explained by the phenomenon of:

• A)group polarization.
• B)risky shift.
• C)social facilitation.
• D)social loafing.

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Definitions:

Chi-square Test

A method of statistical analysis utilized to ascertain the presence of a meaningful relationship between two variables of a categorical nature.

T Test

A statistical test used to compare the means of two groups to determine if there is a significant difference between them.

T Test

A statistical analysis method that contrasts the averages of two groups to ascertain if a substantial disparity exists between the two.

Correlation Coefficients

Statistical measures that indicate the extent to which two variables fluctuate together, showing the strength and direction of their relationship.