I have a checkbox section called color so, when I get the email I get .3 - A bit of the code you are using might help.
[[+name]]
This is the Formit Email Chunk. [[+name]] ([[+email]]) Wrote: [[+text]]
<p><strong>Preferred time of day? <span class="error">[[!+fi.error.appt_time]]</span></strong></p> <input type="hidden" name="appt_time[]" value="" /> <input type="radio" name="appt_time[]" value="Morning" id="Morning" [[!+fi.appt_time:FormItIsChecked=`Morning`]] /> <label for="Morning">Morning</label> <input type="radio" name="appt_time[]" value="Evening" id="Evening" [[!+fi.appt_time:FormItIsChecked=`Evening`]] /> <label for="Evening">Evening</label> <input type="radio" name="appt_time[]" value="No preference" id="appt-time-No-preference" [[!+fi.appt_time:FormItIsChecked=`No preference`]] /> <label for="appt-time-No-preference">No preference</label>
<p><strong>Preferred time of day? <span class="error">[[!+fi.error.appt_time]]</span></strong></p> <input type="hidden" name="appt_time[]" value="" /> <input type="radio" name="appt_time[]" value="Morning" id="Morning" [[!+fi.appt_time:FormItIsChecked=`Morning`]] /> <label for="Morning">Morning</label> <input type="radio" name="appt_time[]" value="Evening" id="Evening" [[!+fi.appt_time:FormItIsChecked=`Evening`]] /> <label for="Evening">Evening</label> <input type="radio" name="appt_time[]" value="No preference" id="appt-time-No-preference" [[!+fi.appt_time:FormItIsChecked=`No preference`]] /> <label for="appt-time-No-preference">No preference</label>
appt_time[]
[[!+fi.appt_time:FormItIsChecked=`Morning`]]
[[+appt_time]]
[[+appt_time]]
[[+appt_time]]
[[!FormIt?
&hooks=`recaptcha,spam,email,redirect`
&emailTpl=`ContactFormReport`
&emailTo=`[[++emailsender]]`
&emailUseFieldForSubject=`1`
&redirectTo=`15`
&submitVar=`submitContact`
&validate=`name:required,
email:email:required,
appt_time:required,
message:required`
]]
<p>Preferred time of day? <span class="error">[[!+fi.error.appt_time]]</span></p>
<input type="hidden" name="appt_time[]" value="" />
<input type="radio" name="appt_time[]" value="Morning" id="Morning" [[!+fi.appt_time:FormItIsChecked=`Morning`]] /><label for="Morning">Morning</label>
<input type="radio" name="appt_time[]" value="Evening" id="Evening" [[!+fi.appt_time:FormItIsChecked=`Evening`]] /><label for="Evening">Evening</label>
<input type="radio" name="appt_time[]" value="No preference" id="appt-time-No-preference" [[!+fi.appt_time:FormItIsChecked=`No preference`]] />
<label for="appt-time-No-preference">No preference</label>
<h2>My form result</h2>
<p>[[+name]]</p>
<p>[[+email]]</p>
<p>[[+appt_time]]</p>
<p>[[+datepicker]]</p>[[!FormItRetriever]]