Don't be a research methods fool!
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Don’t be a correlational fool!
-The word relationship in an exam question is shouting out to you that the research is a correlation.
-If you are asked to write a hypothesis for a correlational study then it is DIFFERENT to a normal hypothesis
Two tailed-There will be a correlation/relationship between…….
One tailed- There will be a positive/negative correlation between …….
Example- Two psychologists investigated the relationship between age and recall of medical advice. Previous research had shown that recall of medical advice tended to be poorer in older patients. The study was conducted at a doctor’s surgery and involved a sample of 30 patients aged between 18 and 78 years. They all saw the same doctor, who made
1. The psychologists decided to propose a directional hypothesis. Why was a directional
hypothesis appropriate in this case? (1 mark) because previous research had been carried out to show that recall medical advice tended to be poorer in older patients
2. Write a suitable directional hypothesis for this investigation. (3 marks) There will be a significant negative correlation between age of patients in years and recall of medical advice
-The word relationship in an exam question is shouting out to you that the research is a correlation.
-If you are asked to write a hypothesis for a correlational study then it is DIFFERENT to a normal hypothesis
Two tailed-There will be a correlation/relationship between…….
One tailed- There will be a positive/negative correlation between …….
Example- Two psychologists investigated the relationship between age and recall of medical advice. Previous research had shown that recall of medical advice tended to be poorer in older patients. The study was conducted at a doctor’s surgery and involved a sample of 30 patients aged between 18 and 78 years. They all saw the same doctor, who made
1. The psychologists decided to propose a directional hypothesis. Why was a directional
hypothesis appropriate in this case? (1 mark) because previous research had been carried out to show that recall medical advice tended to be poorer in older patients
2. Write a suitable directional hypothesis for this investigation. (3 marks) There will be a significant negative correlation between age of patients in years and recall of medical advice
Don’t be a hypothesis fool!
-Remember correlational hypothesis are different to normal hypothesis
-Remember you can only have a directional hypothesis if PREVIOUS research has shown this. See example above.
Non-directional hypothesis always starts- There will be a difference….
Directional- You must include both bits of the IV, the DV and direction e.g. Participants who eat two bananas for breakfast will score higher on a memory test out of 30 than participants who eat nothing for breakfast
-Remember correlational hypothesis are different to normal hypothesis
-Remember you can only have a directional hypothesis if PREVIOUS research has shown this. See example above.
Non-directional hypothesis always starts- There will be a difference….
Directional- You must include both bits of the IV, the DV and direction e.g. Participants who eat two bananas for breakfast will score higher on a memory test out of 30 than participants who eat nothing for breakfast