public function getCatValue($assessmentSectionId, $key)
    {
        return (isset($this->state[self::VAR_CAT]) && isset($this->state[self::VAR_CAT][$assessmentSectionId]) && isset($this->state[self::VAR_CAT][$assessmentSectionId][$key])) ? $this->state[self::VAR_CAT][$assessmentSectionId][$key] : null;
    }