Telerik is attempting to say that the radio buttons I'm selecting are hidden. They are both displaying on the page and I'm able to select both of them. When you select either value the input in the div above is being updated from those radio buttons. That input is the only element that's being hidden by this page but telerik shouldn't be throwing that error.
<div class="radiogroup-container">
<input name="RL_400154" class="form-control question-value bound radiogroup initialized" id="P_300414" value="True" data-options='{"eventBinders":[{"eventName":"click","fn":"validate","context":"this"},{"eventName":"click","fn":"_MainRuleBody"}],"value":"","required":true,"enabled":true,"readOnly":false,"stackVertical":false,"dataValueField":"Value","dataTextField":"Description","dataSource":[{"Value":"True","Description":"Yes"},{"Value":"False","Description":"No"}]}'>Yes</input>
<div class="ifs-radiogroup">
<label class="radio-label radio-inline bound"><input name="1446491355081" id="1446491355081-0" type="radio" value="True">Yes</label>
<label class="radio-label radio-inline bound"><input name="1446491355081" id="1446491355081-1" type="radio" value="False">No</label>
</div>
</div>