How To Write A Good Hypothesis In Psychology. Here are some of the expert tips that you should keep in mind for writing a good hypothesis. The next step is writing a hypothesis.

To write the alternative and null hypotheses for an investigation, you need to identify the key variables in the study. For example, if concentration is measured by number of mistakes on an attention task, a more specific hypothesis would be people who drink less caffeine will make more mistakes on the attention task. Adults who 1) drink sugary beverages on a daily basis and 2) have a family history of health issues are more likely to 1) become overweight and 2) develop diabetes or other health issues.