You don't need to do lots of research to determine if your website would work better if it had a video that showed off your business. All you have to do is notice your personal habits when surfing the net. If you tend to watch videos, then it stands to reason that others most likely will be doing the same.
If you are thinking about doing the research, you will find that the benefits of having a video on your site will engage the visitor and keep them on your site longer. Video also improves your chances of moving up in the search engines. Your business is unique, so show it off to your future customers with a short video. A video, if done right, can last for years. Watch these videos and see what we mean.