Sometimes Famous Performers Have Horrible Final Rehearsals in Empty Auditoriums

question 19

Multiple Choice

Sometimes famous performers have horrible final rehearsals in empty auditoriums prior to a big performance, yet they end up having wonderful performances in front of audiences.Why would the presence of others increase performance on a well-rehearsed task, such as musical performance?

• A) They are performing for money.
• B) They experience cognitive dissonance.
• C) They aim to impress the critics.
• D) They are aroused.

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Definitions:

Evolutionary Systematics

An approach to classification that considers both evolutionary relationships and the extent of divergence that has occurred since a group branched from an ancestral group. Compare with cladistics and phenetics.

Phylogenetic Tree

A branching diagram that shows lines of descent among a group of related species.

Ancestral Characters

See shared ancestral characters.

Maximum Likelihood

A statistical method for estimating the parameters of a model, where the estimated parameters maximize the likelihood of observing the given sample data.