Sawtooth Software: The Survey Software of Choice

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.

Rather than directly ask survey respondents what they prefer in a product, or what attributes they find most important, conjoint analysis employs the more realistic context of respondents evaluating potential product profiles. Each profile includes multiple conjoined product features (hence, conjoint analysis), such as:

There are different ways to show product profiles. The original version of conjoint analysis developed in the early 1970s showed products one-at-a-time, as in the above example. Sawtooth Software's CVA System may be used for this traditional form of conjoint analysis. Later forms of conjoint analysis showed products in pairs (CVA system or ACA System for Adaptive Conjoint Analysis), or sets at a time (CBC System for Choice-Based Conjoint), as in the example below:

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 entitled Which 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.

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.

Call us at +1 801-477-4700 to speak to one of our expert conjoint analysis consultants.

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Read: What is Conjoint?    Read: Which Conjoint Method Should I Use?

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