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Create: 2025-06-10 Update: 2025-07-09 08:13:32

🧪 Когда обычный A/B-тест даёт кривую картину

A/B-тесты — классика: берём всех пользователей, делим пополам, сравниваем.
Но это работает, если ваши пользователи живут «поодиночке».

📊 В статье разложили по полочкам:

— в каких системах классический A/B не работает
— почему ваши метрики могут вас обмануть
— какие есть выходы: временное разбиение, кластерные тесты, гибриды
— как выбирать схему под ваш продукт
— и главное: почему плохой эксперимент — это не просто ошибка аналитики, а риск для бизнеса

Если вы хотите принимать точные продуктовые решения — это обязательный материал.

👉 Читать статью: https://proglib.io/sh/lNqAnLfe9J

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Should You Buy Bitcoin?

In general, many financial experts support their clients’ desire to buy cryptocurrency, but they don’t recommend it unless clients express interest. “The biggest concern for us is if someone wants to invest in crypto and the investment they choose doesn’t do well, and then all of a sudden they can’t send their kids to college,” says Ian Harvey, a certified financial planner (CFP) in New York City. “Then it wasn’t worth the risk.” The speculative nature of cryptocurrency leads some planners to recommend it for clients’ “side” investments. “Some call it a Vegas account,” says Scott Hammel, a CFP in Dallas. “Let’s keep this away from our real long-term perspective, make sure it doesn’t become too large a portion of your portfolio.” In a very real sense, Bitcoin is like a single stock, and advisors wouldn’t recommend putting a sizable part of your portfolio into any one company. At most, planners suggest putting no more than 1% to 10% into Bitcoin if you’re passionate about it. “If it was one stock, you would never allocate any significant portion of your portfolio to it,” Hammel says.

🧪 Когда обычный A/B-тест даёт кривую картину

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