def METHOD_NAME(self, timeweighted=True):
    if timeweighted:
        results = self.dict_of_results_by_asset_name_timeweighted()
    else:
        results = self.dict_of_results_by_asset_name_equal_weighted()
    results_values = list(results.values())
    return ttest_1samp(results_values, 0.0).METHOD_NAME