So, I'm filling out your form, and on page 3 there are four point scales from Strongly disagree - Strongly agree. You really should provide a neutral option, as

So, I'm filling out your form, and on page 3 there are four point scales from Strongly disagree - Strongly agree. You really should provide a neutral option, as forcing people to make a decision when they are indifferent will mostly just provide noise (some people will just be indifferent to everything, but you can normally remove those easier).