The Mean Scores of Two Groups Participating in a Study

question 15

Multiple Choice

The mean scores of two groups participating in a study are exactly the same for a particular variable. This suggests that the:

• A) average score is the same, but distribution of scores for each group are not known.
• B) distribution and range of scores will be similar.
• C) groups are definitely heterogeneous in relation to this variable.
• D) groups are very much alike in relation to the variable.

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Definitions:

Uncontrollable

Refers to anything beyond one's power or authority to command, regulate, or restrain.

Fundamental Attribution Error

The fundamental attribution error is a cognitive bias where people disproportionately attribute others' actions to their personality or disposition rather than situational factors.

Actor/Observer Bias

The tendency to attribute one's own actions to external causes while attributing others' actions to their internal characteristics.

Ingroup/Outgroup Bias

The tendency to favor members of one's own group (the ingroup) over those from different groups (outgroup), often leading to prejudice and discrimination.