Will Thalheimer updates his “Learning Styles Challenge” to $5000:

That is, if any person or group creates a real-world learning intervention that takes learning styles into account–and proves that such an intervention produces better learning results than a non-learning-styles intervention, they’ll be awarded $5,000!

No one has taken him up yet. Although I can imagine that researchers aren’t looking for such challenges, it still seems odd to me that people can keep repeating the mantra of teaching to students’ learning styles without having any evidence that such interventions work.