RESEARCH STUDY 9.3

question 44

Essay

RESEARCH STUDY 9.3
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.

-Refer to Research Study 9.3 above to answer the following question.
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.

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Definitions:

Investment Account

An account held at a financial institution that holds investments such as stocks, bonds, mutual funds, and other assets for the benefit of the investor.

Intercompany Profit

Profits that arise from transactions between companies within the same corporate group, which could distort the true financial position if not eliminated in consolidated financial statements.

Gross Margin

A company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.

Consolidated Statement

A financial report that incorporates the assets, liabilities, equity, income, and cash flows of a parent company and its subsidiaries.