One way that you can get bad results is to start with too broad a hypothesis, like 'autism is related to maleness', conduct your experiment and then engage in p

One way that you can get bad results is to start with too broad a hypothesis, like 'autism is related to maleness', conduct your experiment and then engage in p-hacking, or analysing all the relationships in the data that would support your hypothesis until you find one that looks significant. [https://bitesizebio.com/31497/guilty-p-hacking/ https://bitesizebio.com/31497/guilty-p-hacking/]