def validate_paramified_params
      self.class.paramify_methods.each do |method|
        params = send(method)
        transfer_errors_from(params, TermMapper.scope(params.group)) if !params.valid?
      end
    end
def validate_paramified_params
      self.class.paramify_methods.each do |method|
        params = send(method)
        transfer_errors_from(params, TermMapper.scope(params.group)) if !params.valid?
      end
    end
Helper method to validate paramified params and to transfer any errors
 into the handler.