Develop the skills to analyze data, make sound decisions, communicate reasoning clearly, and turn choices into effective action. This path builds practical, repeatable habits for critical thinking and decision-making in any role.

Trusted by learners working at top companies

Course 1

Analyze Data to Action Decisions

4 lessons

12 practices

This course builds the habit of using data thoughtfully, not blindly. Learners practice choosing reliable sources, interpreting patterns, distinguishing correlation from causation, and turning raw findings into clear, actionable insights that support better decisions.

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Course 2

Make High-Quality Decisions

4 lessons

Course 3

Communicate Decisions Clearly

4 lessons

Course 4

Turn Decisions into Action

4 lessons

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

This course focuses on deliberate, transparent decision-making. Learners practice defining what “good” looks like, choosing a method, weighing options with structure, making responsible calls, and following through with accountability.

This course emphasizes the communication side of critical thinking and decisions. Learners practice explaining the “why,” translating decisions into concrete next steps, sharing decisions with clarity, and handling pushback with transparency.

This course helps learners move from decision to execution. They practice separating signal from noise, sequencing work strategically, adapting priorities as information changes, and building sustainable prioritization habits.

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11