For unbiased and free advice to help you answer competency based questions at interview please visit my blog where I have just posted a new article to reveal the secrets of how to succeed at interview. These techniques will help you prepare effectively and structure your answers, and importantly allow you to demonstrate clearly your suitability for the job. Hopefully my advice will help you to avoid those interview nightmares of rambling, forgetting the question or enduring embarrassing silences!
Feel free to comment on the blog or ask more questions. http://blog.giraffejobs.co.uk/how-to-answer-competency-based-interview-questions/