„Essentially, all models are wrong, but some are useful“ – George Box (btw, yes personas are also models: user models)
15/07/2020
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Category Archives: Psychology
28/06/2020
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On Attention
“A wealth of information creates a poverty of attention” – Herbert A. Simon. Cognitive psychologist, economist (and a pioneer in AI) See also “There is no “intuitive” design, #2“
22/04/2020
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The science of color perception
This video greatly explains color vision resp. trichromacy theory:
06/03/2020
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Finally – M4 Sozialpsychologie Klausur: erledigt
So , heute hab ich endlich etwas zum Abschluss gebracht, was schon viel zu lange fällig war: meine Modulabschlussprüfung in Sozialpsychologie. Vielleicht wissen ja einige, dass ich “nebenbei” noch Psychologie an der Fernuni in Hagen studiere. Ewig mache ich mit … Continue reading
06/06/2019
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Variable interval rewards are evil.
If you question what this might have to do with interaction design, please observe for example peoples scrolling behavior. This is a good example of a reward with a variable schedule of reinforcement. It’s operant conditioning, making you behave just … Continue reading
20/09/2018
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Follow a leader – übers “Nudging”
Ich gehe heute Abend auf eine Veranstaltung wo das Thema Nudging diskutiert wird und bin schon seeehr gespannt. Ich hoffe, mein *Confirmation Bias* steht mir nicht allzusehr im Weg, denn meine Position zu “sanften Stupsern” oder dem “libertären Paternalismus” – … Continue reading
07/09/2018
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Orga culture and UX: Competition vs common vision
via GIPHY Image: Cooperation, exemplary image. ;) The famous robbers cave field experiment conducted by Muzafer Sherif (1954, 1958, 1961) investigated how and why group conflicts occur. Sherif argued that conflict between groups (intergroup conflicts) occur in case of two … Continue reading
09/05/2018
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Google Duplex’ natural speech pattern: It’s a human? No it’s not!
I think we now go really deep into the uncanny valley. I think it is of psychological and also sociological relevance that we know if we speak to another human or a machine.The point is, it may be perceived as … Continue reading
15/04/2018
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Clark on Brains
“Brains (…) are essentially prediction machines” (Clark, 2013) I like that quote very much.
07/03/2018
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Friend or foe? Social presence is an important factor to consider in Interaction /UX Design
Ever yelled at your computer? Congrats! You’re in good company applying social responses to inanimate things. We as humans are wired to be social creatures. And even digital products may trigger social responses and you might not even be aware … Continue reading
16/12/2017
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Recognition vs Recall
„Recognition is Easy. Recall is Hard.“ Jeff Johnson, Designing with the Mind in Mind (2014)
06/11/2017
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The Wonderful World of Human Cognition: The time course of visual perception
“We see the forest before the trees” – Navon, D. (1977) How do we perceive objects? Classic theories of object recognition (so-called feature theories) often claim that we first process specific features/details of something followed by a more general processing. … Continue reading
31/10/2017
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Happy Halloween
Nothing scares me more… pic.twitter.com/tkzE47xLD2 — Dr. John Mohl (@JohnCMohl) October 29, 2017
29/10/2017
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Cognitive models as a substitute for quantitative usability tests?
“Cognitive models can serve as a substitute for (quantitative) user tests. User models built with ACT-R can simulate the interaction with a certain task. Cognitive modeling has two advantages over real user tests; first of all no human participants are … Continue reading
29/10/2017
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John McCarthy on AI
Stumbled upon this goodie while researching on cognitive architectures for a course. „(…) a machine isn’t the sum of its parts, if somebody took a car apart and gave you a heap of the parts that wouldn’t be a car … Continue reading
08/10/2017
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How cognitive biases affect decision making: Anchor heuristics
04/10/2017
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On cognitive dissonance and rewards
„We try to reduce the dissonance between how we think we should act and how we actually act by changing one or the other“ This is interesting because it is contrary to incentive / economic theories which claim that the … Continue reading
12/09/2017
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Gender stereotypes applied to machines
Amongst other things when it comes to gender stereotyping, studies show that dominant behavior by males tends to be positively received by western society since dominant men tend to be perceived as “independent”,”assertive” and “successful”, whereas dominant women tend to … Continue reading
05/09/2017
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Interaction & the social function of intelligence
“Like chess, a social interaction is typically a transaction between social partners. One animal may, for instance, wish by his own behaviour to change the behaviour of another; but since the second animal is himself reactive and intelligent the interaction … Continue reading
25/08/2017
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Are we in control of our decisions?
„We wake up in the morning and we open the closet; we feel that we decide what to wear. we open the refrigerator and we feel that we decide what to eat. What this is actually saying, is that many … Continue reading