Seven-Year-Old Marvin and Four-Year-Old Edgar Are Sitting at the Table

question 18

Multiple Choice

Seven-year-old Marvin and four-year-old Edgar are sitting at the table as their mother pours milk into their glasses.Both glasses are the same size and shape.However,Marvin's mother notices a chip on the lip of his glass,and decides that it is safer if she pours that milk into another glass.The new glass is shorter and much wider,and when she pours the milk into the new glass Edgar laughs and says that now he has more milk than Marvin.However,Marvin is not upset because he knows that he still got the same amount of milk.Which Piagetian principle is Marvin demonstrating?

• A)formal operations
• B)decentering
• C)the preoperational stage
• D)the abstract operational stage

Understand the mechanisms that can create discrepancies between gene histories and species histories.

Recognize molecular evidence for the evolutionary relationships among species, including humans.

Identify the patterns supporting hypotheses of disease transmission in phylogenetics.

Understand the impact of population size changes on genetic events.

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Definitions:

Freudian Terms

Concepts and terms developed by Sigmund Freud to describe aspects of psychoanalysis, including the unconscious mind, ego, and superego.

Id

In Freudian theory, it represents the unorganized part of the personality structure that contains basic drives and is unconscious.

Ego

In psychology, a component of Sigmund Freud's personality theory, the ego represents the rational part of the psyche that mediates between one's desires and the realities of the external world.

Superego

In Freudian psychoanalysis, the part of the personality that represents internalized ideals and provides standards for judgment.