Formatting Data for Running Conjoint in Q
20 August 2020 | by Oliver Harrison

This post will walk you through how to format your respondent-level conjoint data when programmed using your survey platform of choice. There are many survey

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How to Create Alternative-Specific Choice Model Designs in Q
15 November 2019 | by Kris Tonthat

In a standard choice experiment, respondents are presented with alternatives which have a common set of attributes. Alternative-specific designs relax this requirement and are designed to

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Testing Whether an Attribute Should be Numeric or Categorical in Conjoint Analysis
11 March 2019 | by Tim Bock

Choice-based conjoint (CBC) studies usually specify a fixed number of levels for each attribute. The resulting attribute then becomes categorical. But that doesn’t mean you

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Using Substitution Maps to Understand Preferences in Conjoint Analysis
10 March 2019 | by Tim Bock

Modern tools for analyzing conjoint analysis, such as hierarchical Bayes, produce rich data showing preferences for each person in a market. The main deliverable from

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Using Indifference Curves to Understand Trade-offs in Conjoint Analysis
10 March 2019 | by Tim Bock

Indifference curves are a way of showing relative preferences for quantities of two things (e.g., preferences for price versus delivery times for fast food). This

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The Efficient Algorithm For Choice Model Experimental Designs
10 March 2019 | by Justin Yap

In this blog post, I describe the Efficient algorithm for generating choice model designs. This algorithm is used for generating choice model designs with partial profiles,

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Data Visualization for Conjoint Analysis
10 March 2019 | by Tim Bock

While choice-based conjoint analysis represents one of the more sophisticated techniques used in market research, presentation of its results commonly consists only of a simulator,

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Algorithms to Create your Choice Model Experimental Design
10 March 2019 | by Tim Bock

In a stated preference discrete choice experiment, respondents are asked a number of questions. Each question asks them to choose between a number of alternatives

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How Good is your Choice Model Experimental Design?
27 February 2019 | by Jake Hoare

Today, you can produce a wide range of choice model experimental designs with numerous different algorithms. But with all this design diversity, how do you

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12 Techniques for Increasing the Accuracy of Forecasts from Conjoint Analysis
27 February 2019 | by Tim Bock

Choice experiments, also known as choice-based conjoint (CBC), are widely used for predicting the performance of new products and changes to products’ designs and portfolios.

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Experimental Design for Conjoint Analysis: Overview and Examples
27 February 2019 | by Tim Bock

This post introduces the key concepts in designing experiments for choice-based conjoint analysis (also known as choice modeling). I use a simple example to describe

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What Sample Sizes do you Need for Conjoint Analysis?
27 February 2019 | by Tim Bock

Working out the sample size required for a choice-based conjoint study is a mixture of art and science. What makes it tricky is that the

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Writing a Questionnaire for a Conjoint Analysis Study
27 February 2019 | by Tim Bock

The hard bit of designing a choice-based conjoint analysis (choice modeling) study is creating the experimental design. However, there are a few others parts of

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Main Applications of Conjoint Analysis
27 February 2019 | by Tim Bock

Ready to dive further into conjoint analysis? In this post I describe the main applications of choice-based conjoint analysis (choice modeling; CBC). If you haven’t

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Conjoint Analysis: The Basics
27 February 2019 | by Tim Bock

Choice-based conjoint analysis is a technique for quantifying how the attributes of products and services affect their performance. It is used to help decision makers

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How to do Choice Modeling in Q
09 October 2018 | by Justin Yap

In this article I will go through the basics of fitting a choice model to discrete choice experiment data in Q. I’m going to assume

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How to Compute D-Error for a Choice Experiment Using Q
04 October 2018 | by Justin Yap

D-error is a way of summarizing how good a design is at extracting information from respondents in a choice experiment. In other articles I provide

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How to Use Simulated Data to Check Choice Model Experimental Designs Using Q
18 September 2018 | by Justin Yap

Running a survey can be expensive and time-consuming. Luckily you can use simulated data to check and compare your survey design, saving you time and

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