DrPhillips Is a Cognitive-Developmental Psychologist Who Studies How Children Learn

question 31

Essay

Dr.Phillips is a cognitive-developmental psychologist who studies how children learn mathematical principles.His current interest is in studying how children learn multiplication.He recruits 54 second-graders who have not yet learned how to multiply numbers to participate in his study.He is curious as to whether different teaching styles lead to better mastery of the subject.One condition (A)involves having students read a chapter on multiplication from their textbook.One condition (B)involves having students watch a video of cartoon characters explaining multiplication.One condition (C)involves having students being taught multiplication from a teacher.One condition (D)involves having students being taught multiplication by a fourth-grader.In all conditions,participants spend 30 minutes learning the fundamentals of multiplication and are then given the same 15-question multiplication test.The number of questions answered correctly is recorded.The data are below.


-Based on the results of his study,Dr.Phillips hopes to make a causal statement.Explain how his study does or does not meet the three rules of causation.

Determine the total current in RLC circuits.

Comprehend phase relationships and their influence on power factor in RLC circuits.

Calculate circuit power factor based on given parameters.

Understand the relationship between voltage and current in RLC circuits.

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Definitions:

Intimacy

A close, familiar, and usually affectionate or loving personal relationship with another person.

Isolation

The process or state of being separated from others or the feeling of being alone and unsupported.

Identity Crisis

A period of uncertainty and confusion in which a person's sense of identity becomes insecure, typically due to a change in expected roles or perception of self.

Adolescents

Individuals in the transitional stage of physical and psychological development that typically occurs during the period from puberty to legal adulthood.