A New Product Tester (Working for 'Fizzy Sugary Delight') Wanted

question 22

Multiple Choice

A new product tester (working for 'Fizzy Sugary Delight') wanted to test and compare the consumer rating of two new fizzy drinks; his own company's drink and a rival's drink. He randomly selected 12 participants and then randomly divided this group into three subgroups: a 'Placebo' group who drank fizzy sugary water; a 'new Improved Formula' group who drank the new Fizzy Sugary Delight drink; and a 'Rival fizz' group who drank the new fizzy drink belonging to a rival company. Each group consumed one glass each of their designated drink and then rated its taste. What sort of research design is this?

• A)Independent factorial design.
• B)Repeated-measures factorial design.
• C)ANOVA.
• D)Multiple linear regression.

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Definitions:

Partial Correlation

The correlation between two variables with the influence of a third variable statistically controlled for.

Statistically Controlling

This refers to the use of statistical techniques to control for or adjust the effect of confounding variables in research, ensuring a more accurate understanding of relationships.

Frequency Distribution

A summary of data showing the number or frequency of observations in each distinct category or interval.

Partial Correlation Coefficient

The partial correlation coefficient measures the strength and direction of a relationship between two continuous variables while controlling for the effect of one or more other variables.