Internationale Zeitschrift für Schul- und Kognitionspsychologie
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Risk Taking Behaviour of Investors with Attention Deficit Hyperactivity Disorder and Bipolar

Ahmet Hakan Özkan and Gökhan Özer

Among main individual differences of the investors, risk taking tendency stands out. The risk taking behavior of investors with attention deficit hyperactivity disorder and bipolar disorder are surveyed with this research. Risk taking behavior can be measured with financial methods. In this study, beta is used as the metric of risk taking behavior. Turkish and Greek investors participated for this research which is performed with 187 participants. Stock exchange simulation is used to form collect the data. The results are compared to each other by using independent t-test, one way analysis of variance, Mann Whitney U and Kruskal Wallis tests. The healthy controls are compared to controls with bipolar and ADHD in each country, different results appeared in each country.