Interview: Common Mistakes and How to Avoid Them

Getting ready for an interview can be nerve-wracking, especially if you want to make a great impression and secure your dream job. Unfortunately, even the most qualified candidates can make costly mistakes during the interview process that can jeopardize their chances of getting hired. In this article, we will discuss some of the most common interview mistakes and provide tips on how to avoid them.

Lack of Preparation

One of the biggest mistakes that candidates make is not preparing properly for their interview. This can include failing to research the company, not having a clear understanding of the job requirements, and not being able to articulate why they are a good fit for the role.

To avoid this mistake, be sure to spend time researching the company and the job you are applying for. Look at the company’s website, read recent news articles, and check out their social media accounts to get a better understanding of their culture and values. Make a list of the key requirements for the job and think about how your skills and experiences match those requirements. Finally, be sure to prepare answers to common interview questions so that you are able to articulate why you are a good fit for the role.

Poor Body Language

Your body language can communicate just as much as your words during an interview. Common mistakes include slouching, fidgeting, failing to make eye contact, and appearing disinterested.

To avoid these mistakes, make an effort to sit up straight, maintain eye contact, and appear engaged and interested in what the interviewer is saying. Practice your body language in front of a mirror or with a friend to help you become more aware of your habits and make any necessary adjustments.

Not Asking Questions

Another common mistake that candidates make is not asking questions during the interview. This can give the impression that you are not interested in the role or the company, and it also misses an opportunity to gather important information that can help you make a more informed decision about the job.

To avoid this mistake, be sure to prepare a list of questions to ask the interviewer. Ask about the company culture, the team you would be working with, and the day-to-day responsibilities of the role. This will not only show that you are interested in the job, but it will also help you to determine if the role is a good fit for you.

Failing to Dress Appropriately

Your appearance can make a big impact on the interviewer, and failing to dress appropriately can send the wrong message. This can include dressing too casually, wearing clothing that is too revealing, or failing to groom appropriately.

To avoid this mistake, be sure to research the company’s dress code and dress in a way that is appropriate for the role. If in doubt, it is always better to err on the side of dressing more formally. Make sure that your clothing is clean and pressed, and that your hair and makeup are well-groomed.

Arriving Late

Arriving late to an interview can give the impression that you are unreliable and disrespectful of the interviewer’s time. This can be a costly mistake, as it can negatively impact the interviewer’s perception of you before the interview even begins.

To avoid this mistake, be sure to plan your route in advance and allow plenty of time for traffic or other unexpected delays. If you do find yourself running late, be sure to call the interviewer as soon as possible to let them know and apologize for any inconvenience.


By avoiding these common interview mistakes, you can help to ensure that your interview is a success and that you are able to make a great impression.

Athina Iliadis is a Human Resources Professional with over 25 years’ experience in corporate environments working for companies such as Pearson, LexisNexis, Hershey, and Reckitt. In her current role as a consultant working with clients around the world, she coaches managers and employees on HR issues, supports leaders in their business, produces content about careers, interviews, and job opportunities. She is fluent in English, French and Greek, and she holds a BBA with a major in HR from Université du Québec à Montréal. Find her on LinkedIn and at

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