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Exhibit 7-7: A group of curriculum designers has developed a new system for teaching phonics to young children.They randomly selected 24 kindergarten students to receive either the old phonics method or the new phonics method.The designers realized that kindergartens have morning and afternoon classes, so they wanted to build this factor into the research design.The following is the mean, standard deviation, and number for each group.
The following is an incomplete summary table of the analysis of variance:
-Refer to Exhibit 7-7.What is the sum of squares for the interaction?
Commoditization
The process by which goods or services become undifferentiated in the eyes of the consumer, leading to competition based primarily on price rather than features or quality.
Leadership
The act of guiding, directing, or influencing a group towards achieving a common goal, often involving qualities such as vision, communication, and decision-making.
Top of Mind Awareness
The first brand or product that comes to a consumer's mind when thinking about a particular industry or category.
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