What is NOT the limitation of the current study? A: The sample size is small. B: The estimate of prevalence is not accurate. C: The design of the study precludes conclusion on causality in terms of psychological distress and the correlates examined. D: The research findings are based only on self-report.

We can trace many causes for the occurrence and development of hydrological phenomena. Therefore, the change in hydrological phenomena . A: has a completely deterministic pattern B: has a completely statistical pattern C: has causality pattern D: has no pattern

Which of the following statement is true ? A: We'd better explain everything that has led into the effect. B: We should find both reasons and results in a causality essay. C: A cause and effect essay seeks to understand the relationships among events. D: It is impossible to discuss both causes and effects in an essay.