conjoint analysis
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Conjoint AnalysisTRANSCRIPT
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PRODUCT DEVELOPMENT & DESIGN Lecture 9- Conjoint Analysis
Wednesday, April 22, 2014Rabeel Khan
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PIA Airblue
Which do you Prefer?
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PIA Airblue
Now…Which do you Prefer?
Rs. 20,000
Rs. 17,000
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PIA Airblue
Now…Which do you Prefer?
Rs. 20,000
Rs. 17,000
Non-stop 1-stop
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But, its not as simple as that…
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Option 1 PIA
Rs. 20,000 1 Stop
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Option 2 PIA
Rs. 20,000 Non-Stop
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Option 3 PIA
Rs. 17,000 1 Stop
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Option 4 PIA
Rs. 17,000 Non-Stop
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Option 1 Airblue
Rs. 20,000 1 Stop
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Option 2 Airblue
Rs. 20,000 Non-Stop
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Option 3 Airblue
Rs. 17,000 1 Stop
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Option 4 Airblue
Rs. 17,000 Non-Stop
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Task
Divide the cards into three piles“Like” “Don’t Like” “Neutral”
Rank order the cards from 1-8 where 1 is “most like” and 8 is “least like”
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Option Rankings
Brand Price Journey Consumer 1 Consumer 2
PIA Rs. 20,000 1-Stop
PIA Rs. 20,000 Non-Stop
PIA Rs. 17,000 1-Stop
PIA Rs. 17,000 Non-Stop
Air Blue
Rs. 20,000 1-Stop
Air Blue
Rs. 20,000 Non-Stop
Air Blue
Rs. 17,000 1-Stop
Air Blue
Rs. 17,000 Non-Stop
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Conjoint Analysis
CA is a multivariate technique used to understand how consumers develop preferences for products or services
A fundamental idea behind conjoint analysis is that a product can be broken down into a set of relevant attributes
Each attribute has a level associated with it
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Key Terminology
Attributes are features and characteristics that define various aspects of a product or service. For example, attributes for airplanes include can include "brand origin," "price," “journey,” etc.
Levels are the values that each attribute may take. For example, Brand Origin could be “PIA” or “AirBlue” and Price could be “Rs. 20,000” or “Rs.17,000”
Profiles are hypothetical products or services described as bundles of attributes that are each set at a particular level.
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Test Your Knowledge 1
Think about a credit card and narrow down the following:
Attribute
Level
Profile
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Test Your Knowledge 2
Now, think about a bicycle and narrow down the following:
Attribute
Level
Profile
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Utilities
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Utilities (Partworths)
In conjoint analysis, we assume that each level of each attribute has a certain utility (quantitative value) for the consumer
The utility of each level of each attribute is called a partworth, because it captures how much this PART of the product is WORTH to the consumer
The utility of a profile, is the sum of the partworths of the attribute levels in the profile.
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Exercise
Consider a fitness facility interested in optimal design of its locker rooms
Which two attributes might you think would be determinant? Whether or not there is a sauna Size of the lockers
How many levels can you associate with each of these attributes? 2 levels for Sauna: “Yes” & “No” Three levels for locker size: “Small” “Medium”
“Large”
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Exercise
How many different sauna/locker combinations can you come up with?
6 different combinations How important do you think each of the
combinations are? Rankings or Ratings Calculate the utility of an attribute level
by taking average of the score across choices where it appears
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Exercise: “What are utilities?” Average Rankings for Sauna
Sauna
Yes 3.33
No 1.67
Locker
Medium 4
Small 3
Large 0.5
This is the individual’s “value system”-how an individual
values each level of an attribute
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Exercise
Product Value System Score
Value System Rank
Stated Original Rank
Medium + Sauna
4+3.33=7.33 1 1
Small + Sauna 3+3.33=6.33 2 2
Medium + No Sauna
4+1.67=5.67 3 3
Small + No Sauna
3+1.67=4.67 4 4
Large + Sauna 0.5+3.33=3.83 5 5
Large + No Sauna
0.5+1.67=2.17 6 6
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Conjoint Analysis &
Concept Generation
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Concept Generation
Factor Utility Scores-Coffee Example Attributes are: Flavor, Strength, Intensity of Aroma How many levels can you come up with? How many combinations should exist?
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New concept for Prepared Salsas 3 attributes: Which ones are these? How many levels of each? How many combinations?
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Conjoint Analysis Output- Salsa Data
Calculate the Range of each attribute
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Which is the most important attribute?
What can you say about the desirability of alternate levels of each attribute?
Calculate the percentage importance of each attribute?
Which attribute is the most important?
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Exercise
Select a Personal computer on four attributes: weight, battery life, quality of resolution of screen, and price. A standard conjoint analysis produces the following value system for an individual:
If three products described below are available, which product would the consumer purchase?
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Value of Attributes
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Hybrid Standard
VS
An Example: Hybrid Autos
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Attribute
Attribute I: Feedback
No Feedback ProvidedFeedback on the Current Miles Per
Gallon
Feedback on the Current Greenhouse
Emissions
Both MPG and Emissions Feedback
Attribute II: Brand
Honda Toyota Ford Chevrolet Chrysler
Nissan Hyundai VW Tesla
Attribute III: Annual Maintenance Costs
$100 $250 $500 $1,000 $1,500 $2,000Attribute IV: Price
$13,500 $17,500 $21,500 $25,500 $29,500 $33,500Attribute V: Miles Per Gallon
15 MPG 25 MPG 35 MPG 45 MPG 55 MPG 65 MPGAttribute VI: Type of Fuel
Gasoline E85 Clean Diesel BioDiesel Natural Gas Propane Hydrogen
Attribute VII: Type of Engine
50/50 Hybrid 20/80 Hybrid Electric Hydrogen Fuel Cells Combustion
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Attribute Importance
9.00
11.00
13.00
15.00
17.00
19.00
9.99
15.9915.02 15.11
18.77
12.1612.96
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Feedback
GREENHOUSE
BOTH MPGs NONE
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
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Brand
HONDA
TOYO
TA
FORD
CHEVY
CHRYSLE
R
NISSA
N
HYUNDAI VW
TESL
A
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
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Maintenance Costs
$100 per year
$250 per year
$500 per year
$1000 per year
$1500 per year
$2000 per year
-60.00
-40.00
-20.00
0.00
20.00
40.00
60.00
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Price
MSRP = $13500
MSRP = $17500
MSRP = $21500
MSRP = $25500
MSRP = $29500
MSRP = $33500
-60.00
-40.00
-20.00
0.00
20.00
40.00
60.00
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MPG
15 MPG 25 MPG 35 MPG 45 MPG 55 MPG 65 MPG
-80.00
-60.00
-40.00
-20.00
0.00
20.00
40.00
60.00
80.00
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Fuel
Gasoline E85 Clean Diesel
BioDiesel Natural Gas
Propane
-20.00
-15.00
-10.00
-5.00
0.00
5.00
10.00
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Engine
Hydro
gen
50/5
0 Hyb
rid
20/8
0 Hyb
rid
Elec
tric
Hydro
gen
Fuel C
ells
Combu
stion
-20.00
-15.00
-10.00
-5.00
0.00
5.00
10.00
15.00
20.00
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Determining the Value of the Hyrbid
Ratios of Utility Comparison (Not perfect, but can get close with balanced attributes)
Take a Price-Based Measure as a Baseline and calculate the difference in utility between the highest and lowest price
Take your Attribute of interest and calculate the difference in utility between two levels
Divide the Attribute of Interest Utility Difference by the Price Utility Difference
Multiply this ratio by the price difference VOILA --- you have the relative price difference
between two attributes
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An Example
What is the value of providing Gasoline versus Clean Diesel as Fuel? Calculate the Difference in Price Utilities:
$13,500 = 49.85 $33,500 = -50.29 DIFFERENCE = 100.1444
Calcualte the Difference Between Diesel and Gasoline: Clean Diesel= 2.86 Gasoline = -2.25 DIFFERENCE = 5.12
5.12 / 100.14 * $20,000 = $1,022.52
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Calculate the Following:
Brand Premium that Honda can Command over Chrysler
How much consumers are willing to pay to improve from 55 MPG to 65 MPG
How much consumers are willing to pay for a hybrid versus a combustion engine
How much customers are willing to pay to improve from 23 MPG to 35 MPG
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Uses of Conjoint
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Conjoint Applications
Which features should we include in our products/services?
How many different products/services should we offer? How much are consumers willing to pay for each
feature of our product/service? How much would they be willing to pay extra for an improvement on an existing characteristic?
How should we price our products/services? What market share should we expect to obtain if we
launch product/service X? How do consumers differ in their preferences? Which
segment(s) of consumers should we focus on serving? What product(s) would appeal to this (these) segment(s) relative to existing alternatives in the marketplace?
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New Product Testing
Do consumers prefer a refillable cleaner to our standard offerings?
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Do consumers prefer a refillable cleaner to our standard offerings?
New Product Testing
Can we command a premium by introducing this new packaging concept?
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Do consumers prefer a refillable cleaner to our standard offerings?
Can we command a premium by introducing this new packaging concept?
New Product Testing
How much can we charge for the refills?
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Other Uses…
New Product Design Pricing Packaging Decisions Market Share Estimation Strategic Advertising Cost-Benefit Analysis Market Segmentation