According to the announcement, a pilot survey will soon be implemented. [8] Aside from serving practical purposes within central banks, additional surveys on household expectations would also help to promote research. The US is clearly ahead in this field, and an important question is whether the results obtained there would also be valid for other countries.
4 Conclusion Ladies and gentlemen, the discovery of the “Clever Hans phenomenon” was a major breakthrough for experimental psychology and led to further research on the effects of expectations. For example, evidence was found that teachers’ expectations could have an impact on students’ performance. [9] More generally, “Clever Hans” may highlight the importance of designing experiments properly in order to avoid biased results.