How to assess · For hiring teams

How to Assess Growth Marketing Skills When Hiring

The test formats that actually work for Growth Marketing, what a strong answer looks like, sample questions and a scoring rubric you can use as-is.

The short answer

Assess Growth Marketing with a task, not a conversation: funnel case, experiment critique, ai-scored assessment (e.g. cohesyve) or past experiment interrogation. Score it against written criteria you fix before you see any submissions, and weight the criteria that the role actually depends on.

Diagnoses the funnel and finds the constraint before proposing anything
Forms hypotheses from customer evidence, stated so they can be wrong
Prioritises experiments by expected impact, confidence and effort
Designs tests with proper controls, sample sizes and decision rules

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Growth marketing is experimentation applied to acquisition, activation and retention, and the skill is not knowing tactics — it is finding the constraint, forming a hypothesis, testing it properly and scaling what works. Candidates who list growth hacks are usually the weakest; the strong ones talk about funnels, bottlenecks and evidence. This page covers how to assess growth marketing for growth, lifecycle and performance roles: funnel diagnosis, hypothesis quality, experimental discipline, and the judgement to scale or stop.

Why Growth Marketing is worth testing

Weak growth marketing is expensive theatre: many tests, few learnings, tactics copied from blog posts, and metrics that move without revenue following. Testing with a funnel case shows whether a candidate finds the real constraint, designs tests that can fail, and reads results honestly, and that predicts whether growth compounds.

What strong Growth Marketing looks like

Diagnoses the funnel and finds the constraint before proposing anything
Forms hypotheses from customer evidence, stated so they can be wrong
Prioritises experiments by expected impact, confidence and effort
Designs tests with proper controls, sample sizes and decision rules
Reads results honestly and stops what does not work
Scales winners with an eye on diminishing returns
Measures to revenue and retention, not to the metric that moved

Ways to assess Growth Marketing

Funnel case

Provide funnel data for a product — visits, signups, activation, retention, revenue — with an obvious-looking problem at the top and the real one at activation. Ask for the diagnosis, three hypotheses, and the first experiment. Sixty minutes.

Pros

Tests diagnosis and experimental thinking together.

Cons

Needs a crafted dataset.

Best for Any growth role.

Experiment critique

Show a test run without a control, stopped early, and reported as a win. Ask what is wrong.

Pros

Tests discipline fast.

Cons

Narrow.

Best for Screening.

AI-scored assessment (e.g. Cohesyve)

Generate a growth marketing task from the job description — a funnel diagnosis, an experiment design, a prioritisation exercise — with a rubric. Each candidate receives a different variant; the work and the reasoning behind it are scored together.

Pros

Asynchronous and consistent across a large pool; a different brief per candidate removes recycled portfolio work; scores the reasoning, which is where marketing judgement shows.

Cons

Cannot observe live collaboration; keep a working session for shortlisted finalists.

Best for Screening an applicant pool fairly before interview time is spent.

Past experiment interrogation

Ask about an experiment that failed and what they learned.

Pros

Reveals honesty and learning.

Cons

Talk-based.

Best for Any level.

Cohesyve

Run a Growth Marketing assessment on your next opening

Cohesyve generates a unique Growth Marketing task per candidate from your job description, with the scoring rubric attached. Questions are different for every applicant, so they cannot be shared or looked up.

Try it free →Book a 30-min demo

What to test

Funnel diagnosis

Whether they find the constraint.

Identify the biggest drop-off and its likely causeDistinguish a symptom from a constraintDecide where a fix would move revenue most

Hypotheses

Whether ideas come from evidence.

Write three hypotheses that can failGround a hypothesis in customer evidencePrioritise ten ideas explicitly

Experimental discipline

Whether tests produce learning.

Design a test with control, sample and decision ruleCritique a flawed testDecide when to stop

Scaling and measurement

Whether wins are real.

Decide whether to scale a winnerTrace a metric improvement to revenueExplain diminishing returns

Sample Growth Marketing questions

Signups are up 30% and revenue is flat. What is happening?

Entry

Look for Wrong users, activation problem, or a leak later; look downstream before celebrating.

What makes a good hypothesis?

Entry

Look for Specific, based on evidence, predicts a measurable change, can be wrong.

You have ten experiment ideas and capacity for two. How do you choose?

Mid

Look for Impact, confidence, effort scored explicitly; picks the two; says why the rest wait.

An experiment showed a 15% lift after four days with no control. Do you ship it?

Mid

Look for No; no control means no attribution; early stop; rerun properly.

Tell me about an experiment that failed.

Senior

Look for Honest account, what was learned, what changed afterwards; not a disguised success.

Red flags

Leads with tactics
Cannot find the funnel constraint
Tests without controls
Reports every test as a win
Measures the metric that moved, not revenue

Scoring rubric

Criterion	Weight	What strong looks like
Diagnosis	30%	Finds the real constraint.
Hypothesis quality	20%	Evidence-based; falsifiable.
Experimental discipline	30%	Controls, samples, honest reads.
Scaling judgement	20%	Scales real wins; stops the rest.

Mistakes hiring teams make

Hiring on growth vocabulary
Not planting a misleading top-of-funnel problem
Rewarding experiment count
Skipping the failed-experiment question
Confusing paid media skill with growth skill

Roles that need Growth Marketing

Growth Marketing ManagerGrowth LeadLifecycle Marketing ManagerPerformance Marketing ManagerProduct Growth ManagerHead of Growth

Common questions

What is the best single growth question?

Ask why signups are up and revenue is flat. Funnel thinking shows immediately.

How long should a growth assessment take?

Sixty minutes for a funnel case; thirty for an experiment critique.

Should growth marketers know statistics?

Enough to design a valid test and read a result honestly. A flawed-experiment critique tests exactly that.

How do I assess growth for a product with little data?

Focus on diagnosis method and hypothesis quality. Ask how they would learn with small numbers — qualitative research, sequential tests, bigger bets.

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