In a Research at the University of Warsaw,Lewicki Asked Students

question 84

Multiple Choice

In a research at the University of Warsaw,Lewicki asked students to choose which person in two photographs looked friendlier and found that their choices were almost always influenced by whether or not the photographs

• A)were of men or women.
• B)looked like their own friends.
• C)were in colour or black-and-white.
• D)reminded them of friendly or unfriendly experimenters.

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Definitions:

Test Statistic

A value, derived from sample data, used in hypothesis testing to determine whether to reject the null hypothesis.

Level of Risk

A measure or assessment of the potential for harm or adverse outcomes resulting from a process, action, or event.

Null Hypothesis

The theory asserting that the observed differences between certain groups are not substantial but rather can be attributed to errors in sampling or experimentation.

Obtained Value

The actual value or result found from a statistical test or experiment.