Many scientists believe that the biggest factor in the rapid increase in brain size during hominin evolution was due to

A. increases in territory size.
B. the development of agriculture.
C. increase in the complexity and size of social relationships.
D. an increase in ecological challenges.


Answer: C

Psychology

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The so-called "investment model" is a model that seeks to explain why people stay with their long-term relationship partners. This model identifies three key factors, namely ____

a. passion, commitment, and intimacy b. security, anxiety, and avoidance c. satisfaction, alternatives, and investments d. similarity, familiarity, and propinquity

Psychology

In APA-style, the _______________ includes the names of the authors and their institutional affiliations

Fill in the blank(s) with correct word

Psychology

Regarding the characteristics of psychosis, which of the following statements is FALSE?

a. The speech of psychotic patients tends to be garbled and chaotic. b. Psychotic patients have severely disturbed emotions and may show a "flat affect.". c. A psychotic patient often exhibits a "split personality" with at least two identities. d. Psychotic patients often experience delusions and/or hallucinations.

Psychology

Which of the following is true concerning Tolman and Honzik's classic study of latent learning?

A) Rats were able to learn without receiving reinforcement. B) Rats learned when receiving punishment but not when receiving reinforcement. C) Rats were not able to learn if reinforcement was withheld for long periods of time. D) Rats learned only when reinforcement was presented immediately following behavior.

Psychology