Question 1

Whether or not a person prefers a certain aspect of a food is a focus of effective testing.

Accepted Answer

The answer of Whether or not a person prefers a...

Question 2

In objective evaluations, humans are used instead of laboratory instruments to measure the characteristics of foods quantitatively.

Accepted Answer

Objective evaluations use laboratory instruments and scientific methods to measure the characteristics of foods quantitatively, whereas subjective evaluations rely on human senses.

Question 3

Give two different real-life examples of how a food company might use subjective evaluation of foods. Give several examples of tests of each type, explaining the differences between them.

Accepted Answer

The answer of Give two different real-life examples of how...

Question 4

Design a product score sheet to be used by both adults and children for the pecan brownies that you plan to sell and distribute to Whole Foods grocery stores. You will use the results of this affective testing to prove to Whole Foods that your product belongs in their stores.

Accepted Answer

The answer of Design a product score sheet to be...

Question 5

Volume is a measurement of three-dimensional space that is often used to measure liquids.

Accepted Answer

Volume measures the amount of three-dimensional space an object occupies, which applies to both solids and liquids, making it a common metric for measuring liquids in containers.

Question 6

When scoring/evaluating for consumer testing with children, "smiley" or "frowny" faces can be used for scoring in lieu of the hedonic scale.

Accepted Answer

Using "smiley" or "frowny" faces as a scoring system is an effective method for evaluating preferences in consumer testing with children, as it provides a simple, intuitive way for them to express their likes and dislikes, especially when they might not be able to read or understand the more complex hedonic scale.

Question 7

Suppose that you are interested in interviewing for a job that you saw offered on your school's job website. It is for a commercial laboratory that conducts chemical tests for food evaluation. Before the interview, you want to familiarize yourself with the variety of chemical tests. Describe several examples of chemical tests, explain what they measure and how, and discuss where and in what context they would be used.

Accepted Answer

The answer of Suppose that you are interested in interviewing...

Question 8

Effective tests are designed to identify common likes and dislikes.

Accepted Answer

Effective tests are designed to measure specific abilities, knowledge, or skills rather than to identify common likes and dislikes.

Question 9

The Association of Official Analytical Chemists (AOAC) International publishes a book on chemical tests, including those for determining various nutrient and nonnutrient substances in foods.

Accepted Answer

AOAC International is known for publishing standards and methods for the analysis of nutrients and non-nutrient substances in foods, among other materials.

Question 10

Match between columns
                        Premises: line-spread test
penetrometer
polarimeter
colorimeter
moisture analyzer

Accepted Answer

The Answer of measures the consistency of batters and other is...

Question 11

You have been asked by the manager of your school cafeteria to design and conduct a taste panel for their new macaroni and cheese recipe. Describe the general guidelines that you are going to follow when setting up and conducting this taste panel. Consider seating arrangements, room temperature and lighting, time of tastings, portion sizes and containers, potential additional water and food needed, and so on. Include discussion of any problems or issues that you might anticipate.

Accepted Answer

The answer of You have been asked by the manager...

Question 12

Regarding sensory testing, affective tests are used to detect "differences."

Accepted Answer

Affective tests are used to assess preference, liking, or acceptance among products by consumers, not to detect differences.

Question 13

In regard to subjective testing, effective tests are used to detect "individual preferences."

Accepted Answer

The answer of In regard to subjective testing, effective tests...

Question 14

Suppose that you are hired as a consultant by a new start-up bakery that is owned by a friend of yours. He would like you to conduct physical testing for the following new food items that he would like to introduce to the public in the near future: chocolate chip cookies, vanilla pudding, cheddar cheese crackers, carrot cake cupcakes with cream cheese frosting, and banana protein shakes. For each of these food items, please state which physical test(s) you would plan to conduct and explain the reasoning behind why the tests that you selected are needed.

Accepted Answer

The answer of Suppose that you are hired as a...

Question 15

The nature, concentration, and temperature of a liquid all affect its viscosity.

Accepted Answer

Viscosity, which is a measure of a fluid's resistance to flow, is influenced by the liquid's composition (nature), the concentration of elements or compounds within it, and the temperature at which it is measured. Higher temperatures generally decrease viscosity, while higher concentrations can increase it, depending on the nature of the liquid.

Question 16

Objective tests conducted for research and development (R&D) rely on the opinions of highly trained individuals.

Accepted Answer

Objective tests in R&D are designed to be independent of individual opinions and biases, focusing instead on measurable and observable outcomes.

Quiz 2: Food Evaluation