What
is conjoint analysis? Explain its application in marketing Research.
Conjoint
(trade-off) analysis is one of the most widely-used quantitative methods in
Marketing Research. It is used to measure preferences for product features, to
learn how changes to price affect demand for products or service, and to
forecast the likely acceptance of a product if brought to market.
With
30 years in business and thousands of users worldwide, Sawtooth Software is the
consensus leading provider of conjoint analysis software. Companies like Procter
& Gamble, Google, General Motors, General
Electric, and Microsoft use our software and have
presented case studies and success stories at our popular research conferences.
Over
the last few decades, conjoint analysis has become the premier market research
methodology for studying how buyers value the characteristics (attributes) of
products/services and for predicting buyer behavior. Perhaps the most valuable
aspect of conjoint analysis is the strategic what-if market simulator.
Conjoint
analysis questionnaires ask respondents to evaluate realistic product profiles
(described by multiple features) and to choose which they would buy. Such
surveys are more realistic than traditional questionnaires that simply ask
respondents which features they prefer or regarding the generic importance of
attributes.
Common
business applications include:
- Designing new products
- Re-designing existing products
- Product line extension research
- Estimating brand equity
- Measuring price sensitivity (elasticity)
- Optimizing employee compensation packages and workplace conditions
- Branding and packaging
- Respondents usually complete between 12 to 30 conjoint questions. The questions are designed carefully, using experimental design principles of independence and balance of the features. By independently varying the features that are shown to the respondents and observing the responses to the product profiles, the analyst can statistically deduce what product features are most desired and which attributes have the most impact on choice. In contrast to simpler survey research methods that directly ask respondents what they prefer or the importance of each attribute, these preferences are derived from these relatively realistic tradeoff situations.
- The result is
usually a full set of preference scores (often called part-worth utilities) for each
attribute level included in the study.
- Sometimes it can
be challenging to decide which conjoint method is most appropriate for
your particular research situation. We've developed an interactive
advisor to
help you decide which conjoint method might be best for your specific
situation. We’ve also written a document entitledWhich
Conjoint Method Should I Use? for further reference.
- Conjoint market
simulators let
the researcher define specific competitive contexts (specific products in
competition with another) and project the share of choices (shares of
preference), given respondent’s estimated part-worth scores. These
simulators let researchers and managers test a variety of what-if
scenarios.
- Market
simulators can be taken one step further. Rather than using them to answer
the question: "How good is this product?" they can be used to
discover "Which product is best?". Computer search routines
(such as Sawtooth Software's Advanced
Simulation Module)
can efficiently find optimal products, based on the criterion of utility,
share, revenue or profit. Profit optimization is probably the most
actionable and managerially useful application of conjoint analysis data,
but requires that the costs of the different components of a product be
known with reasonable accuracy.
Today,
thousands of conjoint studies are conducted each year, over the internet, via
computers not connected to the internet, using person-to-person interviews, or
mailed paper surveys. Leading organizations are saving a great deal of money on
research and development costs, successfully using the results to design new
products or line extensions, reposition existing products, and make more
profitable pricing decisions.
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