4 Psychology | Such answers demonstrate several psychological phenomena.
People do not observe things in the way a camera does. People observe things in an interpretative manner. For such interpretation one uses whatever is stored in one's memory and what has been keeping one's mind occupied lately. Consequently, a human being, in addition to his eyes, also uses his memory and intelligence for the interpretation of information received. | One can lead people in a certain direction by first showing them something else. When they are asked to read the text 'front' in black letters on the life vest, they concentrate on observing black characters. If one then asks them what the ambiguous figure does mean, the number of horseshoe shaped buoys and smoked sausages will grow. | The champion in ambiguous design is Escher. He made abigouty visible by showing the transition. Looking, for example, from left to right, one sees butterflies gradually change into lizards. Both, in psychological and aesthetic terms a magnificent solution. Fortunately, to the yachtsman it does not matter whether he thinks he has a drowning person or a sausage on his chest. If he does indeed run onto a sand bank, hopefully the technical designers of the automatically inflating life vest have done their work just as well as the graphics designer of the logo.
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