The german psychologist of media Martina Mara together with Markus Appel found through a study, that people ‘like’ robots much more, if they bow their head to the side.
The robots were ought to be cuter, potentially more attractive and people believed their had a higher livelihood – as Mrs. Mara conducted through a study.
This behaviour might come from human behaviour when flirting or trying to mediate.
She also raises the question with the german society want to have as humanoid robots as possible in the future or not.
German language article: