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

question 20

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.


-Explain why Dr.Phillips cannot conduct a within-groups design.

Describe the principles behind pH, acidity, and buffering in biological systems.

Differentiate between covalent, hydrogen, and ionic bonds in terms of strength and their roles in biological molecules.

Explain the significance of the atomic structure in determining chemical properties and behaviors of elements.

Understand the concept of pH and its significance in solutions.

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Definitions:

Pioneers

Individuals who are among the first to explore or settle a new country or area.

19th Century

The 19th Century denotes the period from January 1, 1801, to December 31, 1900, marked by significant cultural, social, and technological changes worldwide.

Settle

To resolve or reach an agreement on a dispute or conflict; also, to establish a residence or community in a new area.

President Polk

James K. Polk, the 11th President of the United States, known for his role in the expansion of the U.S. territory, including the annexation of Texas and the Mexican-American War.