15 Best Interview Questions to Ask Candidates

The best interview questions ask candidates to walk through a real, specific example rather than describe themselves in the abstract. Focus each question on one job-relevant ability: problem-solving, communication, attention to detail, or leadership, and let assessment results guide which dimensions deserve the most interview time.

Key takeaways

Structured behavioral and situational questions can both add useful evidence when they are tied to job requirements and scored consistently.
The strongest interviews are built around a small number of job-relevant dimensions, not a generic question bank.
Assessment results before the interview help you decide which dimensions to probe deepest.
Follow-up questions matter more than the opening question. Push for specifics, not summaries.
Score answers against the same criteria for every candidate to keep comparisons fair.

Why the right questions matter

Most interviewers ask questions that feel natural rather than questions that predict performance. Broad prompts like “tell me about yourself” or “what’s your biggest weakness” rarely surface information that separates a strong hire from a weak one. Candidates who interview well aren’t always candidates who perform well. The gap between the two is exactly what a structured question set is designed to close.

The fix is to anchor every question to a specific, job-relevant ability, and to ask for a real example rather than a general opinion. “Tell me about a time you had to manage several competing deadlines” produces far more useful information than “how do you handle pressure?”, because the candidate has to describe something that actually happened rather than a version of themselves they’d like you to believe.

15 Best Interview Questions to Ask Candidates

Choose five to seven questions that match the role, ask the same core questions in the same order, and score answers against evidence defined before the interview.

Fifteen structured interview questions with job-relevant follow-ups
Competency	Interview question	Strong follow-up
Problem solving	Tell me about a problem you identified before anyone asked you to investigate it. What did you do?	Which facts changed your first view of the problem?
Decision making	Describe an important decision you made with incomplete or conflicting information.	What trade-off did you accept, and how did you monitor the result?
Communication	Tell me about a time you explained a complex subject to someone without your background.	How did you check that your explanation was understood?
Communication	Describe a misunderstanding that affected your work. How did you resolve it?	What did you change in your communication afterward?
Collaboration	Tell me about a disagreement with a colleague over how work should be done.	What evidence influenced the final approach?
Teamwork	Give an example of how you helped a team meet a difficult deadline.	What did you personally contribute, and what belonged to the team?
Adaptability	Describe a time priorities changed after you had already started the work.	How did you decide what to stop, continue, or renegotiate?
Learning ability	Tell me about an unfamiliar task you had to learn quickly.	How did you verify that you had learned it correctly?
Ownership	Tell me about a mistake you made that affected another person or team.	How did you repair the impact and prevent a repeat?
Initiative	Describe a process you improved without being directly asked.	How did you show the change was worth keeping?
Prioritization	Walk me through a time several urgent requests competed for your attention.	Who did you involve when priorities could not all be met?
Attention to detail	Tell me about an error you caught before it became a larger problem.	What repeatable check helped you find it?
Leadership	Describe a time you gave difficult feedback that needed to change someone’s behavior.	How did you know whether the feedback worked?
Delegation	Tell me about a task you delegated that did not go as planned.	What would you change about the brief or follow-up next time?
Role evidence	Which past project is most similar to the work in this role, and what was your exact contribution?	What part would a manager or teammate confirm you personally owned?

Scoring rule: define what weak, acceptable, and strong evidence looks like for each competency before the first interview. The U.S. Office of Personnel Management’s structured interview guidance also recommends predetermined job-related questions and a consistent rating scale.

A framework for choosing questions

Start from the role’s two or three core abilities. Build every question around one of them.
Use assessment results to prioritize. If a candidate’s attention-to-detail score suggests a gap worth checking, lead with that.
Ask for a specific, real example. “Walk me through a time when…” beats “how would you…”.
Follow up for detail. What exactly did they do? What was the outcome? What would they change?
Score consistently. Use the same rubric across candidates for the same role.

Examples

Problem-solving: “Tell me about a time you identified a problem before anyone asked you to look into it. What did you do, and what happened?”

Communication: “Describe a time you had to explain something complicated to someone without your background. How did you adjust your explanation?”

Attention to detail: “Tell me about a time you caught an error others had missed. How did you find it?”

Assessments to use

Pair these questions with assessment results to know where to focus interview time:

General Cognitive Ability: reasoning and problem-solving under time pressure.
Communication Skills: written and verbal clarity.
Attention to Detail: accuracy under competing instructions.
Leadership Potential: decision-making and team influence.

Browse the full assessment library →

Role-specific considerations

Interview questions work best when they’re tailored to the role, not generic across the company. See our 21 role-specific hiring guides for ready-made assessment combinations and interview angles by position.

Connecting results to the interview

Treat a moderate or low assessment result as an interview prompt, not a disqualifier. If a candidate’s cognitive ability result suggests reasoning speed under pressure is worth checking, build a question around exactly that scenario instead of asking something unrelated.

Common mistakes

Asking hypothetical questions. “What would you do if…” is easier to answer well without having actually done it.
Using the same questions for every role. A generic bank misses what actually matters for the job.
Not following up. The first answer is rarely the most informative one.
Ignoring assessment results when planning questions. They tell you exactly where to dig.

Frequently asked questions

How many interview questions should I ask?

Quality matters more than quantity. Five to seven well-chosen, role-relevant questions with real follow-up usually beat fifteen surface-level ones.

Should every interviewer ask the same questions?

For the core, role-relevant questions, yes. It keeps the comparison across candidates fair. Interviewers can still add their own follow-ups.

Are behavioral questions better than hypothetical ones?

Both can be effective. Behavioral questions ask for past evidence, while situational questions test how someone would handle a realistic, job-related scenario.

How do assessments change what I should ask?

They tell you which dimensions are worth the most interview time for a specific candidate, rather than guessing.

Can I reuse the same interview questions across roles?

Only the general framework. The specific questions should map to the abilities that matter for each role.

A note on methodology

This guide reflects widely-used structured interviewing practice rather than a single proprietary study. For details on how our assessments are built and scored, see our assessment approach.