The Inspiration for Robert Zajonc's Research That Ultimately Led to His

question 12

Multiple Choice

The inspiration for Robert Zajonc's research that ultimately led to his theory of social facilitation was

• A) his desire to improve on older ideas and theories.
• B) his use of analogical thinking.
• C) his trying to make sense of a paradoxical incident.
• D) his attempt to resolve conflicting results.

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Definitions:

Directional Selection

Directional selection refers to a process in evolutionary biology where an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype.

Hawaiian Honeycreepers

A group of small, colorful birds native to Hawaii, known for their diverse beak shapes and sizes, adapted to different feeding habits and ecological niches.

Ecological Niches

The role and position a species occupies in its environment, including all interactions with biotic and abiotic factors.

Monophyletic Group

An ancestor in which a derived trait evolved, together with all of its descendants.