A Mechanical Engineer Is Studying Bonding Issues with the Thermal

question 32

Multiple Choice

A mechanical engineer is studying bonding issues with the thermal protection tiles on the Space Shuttle.He wants to see whether there is any difference in the bonding strength between three different compounds.Fifteen tiles are randomly assigned to the three compounds so that each compound is tested on five tiles.Each tile is coated with its assigned compound and bonded to a surface.After a period of time,pull-tests are performed to determine the amount of force needed to break the bond.

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Definitions:

Generosity Error

Error that occurs when an individual rates another person inaccurately because he or she identifies with the person being rated.

Interrater Reliability

When two or more raters observe or rank order a behavior in order to find the level of concordance between the raters. The higher the concordance, the higher the reliability.

The Halo Effect

A cognitive bias where the perception of positive qualities in one aspect leads to the unjustifiably favorable evaluation of other aspects.

Generosity Error

A bias in rating where the evaluator tends to give higher ratings than deserved, often due to a desire to be seen as favorable or kind.