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

question 24

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.


-Using Dr.Phillips' study as an example,explain the difference between a control group and a comparison group.Why did Dr.Phillips' study not have a control group?

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Definitions:

Medicine Circles

Traditional healing practices among various indigenous cultures that involve community participation in rituals, often led by a medicine man or woman, to address physical or spiritual ailments.

Sweat Lodges

A ceremonial sauna, traditionally used by Indigenous peoples of the Americas, intended for spiritual cleansing and physical healing.

Employment Relationship

The legal link between employers and employees, defining their rights and obligations in the workplace.

Arbitrarily Discipline

To issue punitive actions in a manner that is random, unfair, or not based on specific rules or standards.