How To Calculate The Number Of Cards Conjoint Analysis

Expert Guide to Calculating the Number of Cards for Conjoint Analysis

Introduction & Importance

Conjoint analysis is a powerful market research technique used to determine how people make choices. Calculating the number of cards for conjoint analysis is crucial for designing efficient and reliable studies…

How to Use This Calculator

1. Enter the number of attributes (n) in your conjoint study.
2. Enter the number of levels per attribute (k).
3. Click ‘Calculate’.

Formula & Methodology

The formula to calculate the number of cards (N) for a conjoint study is:

N = kⁿ

Real-World Examples

Data & Statistics

Comparison of Number of Cards for Different n and k

n	k	N
3	4	64
4	3	81

Expert Tips

• Consider using orthogonal arrays to reduce the number of cards.
• Pilot test your conjoint study to ensure the number of cards is manageable.

Interactive FAQ

What is the maximum number of attributes (n) I can use?

The maximum number of attributes depends on the number of levels per attribute (k) and the number of cards you’re willing to use. As n increases, N increases exponentially.

For more information, see the UK Office for National Statistics and US Census Bureau.