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What is Test And Learn?

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Test and learn is a basic problem solving strategy that is an iterative process of conducting experiments, learning and designing new experiments based on what you've learned. It often produces superior results to thought processes that lack concrete data. Its primary disadvantage is that testing can be expensive or in some cases impossible. Test and learn is particularly common with businesses such as ecommerce platforms that can launch tests quickly and cheaply creating tight feedback loops.
Overview: Test And Learn
Multiple testing phases can optimize a solution or discover new strategies.
Common Pitfalls
Using data as a substitute for thinking. Data misinterpretation or over-focus can lead to poor solutions.

Test And Learn

This is the complete list of articles we have written about test and learn.
A/B Testing
Business Strategy
Critical Thinking
Decision Making
Feedback Loop
Problem Solving
Test And Learn
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Decision Making

A list of decision making techniques.

Abilene Paradox

The observation that groups may make collective decisions that are viewed as wrong or irrational by each individual member of the group.

Decision Making Process

A complete guide to the decision making process.

Rational Thought

The difference between rational thought and logic.


The common types of uncertainty in decision making and strategy.

Information Costs

A definition of information costs with examples.

Reverse Brainstorming

A definition of reverse brainstorming with examples.

Decision Fatigue

The definition of decision fatigue with examples.

Devils Advocate

Taking a position that you do not necessarily agree with for the purposes of argument.

Paradox Of Choice

The definition of paradox of choice with examples.

Cognitive Biases

A list of common cognitive biases explained.

Curse Of Knowledge

Why experts have trouble communicating.

Optimism Bias

An overview of optimism bias, including its surprising benefits.

Decoy Effect

A cognitive bias that is well known in marketing circles.

Biases vs Heuristics

The difference between biases and heuristics.

Information Cascade

A definition of information cascade with examples.

Functional Fixedness

A definition of functional fixedness with examples.

Boil The Frog

A definition of boil the frog, with examples.

Anecdotal Evidence

The definition of anecdotal evidence with examples.


The definition of scientism with examples.
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