VEN 125 FINAL EXAM (ACTUAL / ) QUESTIONS WITH
100% VERIFIED CORRECT ANSWERSUPDATE GRADED A+
Conjoint Analysis - ---Answers----Respondents make choices on specific product feature VALUES.-Respondents are forced to make TRADEOFFS
Direct Importance Ratings - ---Answers----Respondents choose with NO reference to range of values.-NO explicit tradeoffs
What is Preference Mapping? - ---Answers---Statistical methods relating preference data to flavor profiles from DA
Name 2 types of preference mapping: - ---Answers---1)
Internal 2) External
Internal Preference Mapping: - ---Answers----Used for
CONSUMER Data -It is a PCA of consumer hedonic scores to find out where consumer's felt about wine
External Preference Mapping: - ---Answers----Relates
hedonic scores into a Descriptive Analysis -Creates 2 or 3 dimensional map that regresses consumer data into it 1 / 3
-Shows: Wines relative to their attributes & Consumers
relative to the wine/their attributes.
What are 2 advantages of External Pref. mapping? - --- Answers---1) Shows which wines different consumers liked 2) Can infer why they liked those wines
Why would sodium lights mask color differences? - --- Answers---No red so relectance would be all black.
When are you certain that you don't have a power issue? - --- Answers---If the test is significant, you have enough power.
Why do humans have a nasal cycle? - ---Answers---1) To alternate from high flow to low flow nostrils.2) Scent tracking to identify which directions odors are coming from.
Regarding thresholds, are you likely to get complaints about off-odors from consumers? (Midterm 1 #5) - ---Answers---All information provided was irrelevant because thresholds vary.Unlikely that consumers would complain.
What are the 3 dimensions of color? - ---Answers---1) Hue 2) Saturation 3) Lightness
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What is the cribiform plate? - ---Answers---Plate in skull where olfactory nerves pass through brain and fibers protrude outside plate. (Can be easily severed from head trauma)
List the potential serving oders for a triangle test: - ---
Answers---1) 1, 1, 2 4) 2, 2, 1
2) 1, 2, 1 5) 2, 1, 2
3) 2, 1, 1 6) 1, 2, 2
Why is the Flavor profile technique qualitative while QDA is quantitative? - ---Answers---Flavor Profile uses a non- quantitative.
QDA uses a linear scale.
What is a specific ansomia? - ---Answers---The ability to smell one thing but not another.
When would one perform a preference ranking? - --- Answers---Universally liked or disliked
What happens if a Zcalc is greater than 1.645 given alpha=0.05, why? - ---Answers---Automatically significant. Because the probability value on the table of Z=1.645 is between 0.9495 and 0.9505 meaning it equals 0.9500.
1-p= 1-0.9500= 0.05 (our alpha value)
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