private function getPersonalityInsightsQueryVariables()
    {
        $queryParams = [
          'raw_scores' => $this->rawScores ? 'true' : 'false',
          'consumption_preferences' => (string) $this->includeConsumption ? 'true' : 'false',
          'version' => $this->version,
        ];

        return http_build_query($queryParams);
    }