~ TBP-DNAS-BNT-MTDTBA ~ The Best Products – Do Not Always Succeed – Brilliant New Technologies – Might Take Decades To Become Accepted

~ AATAD ~ All Artificial Things Are Designed

~ D-ICWHTW-HTAC-A-TNOTIBPAT ~ Design – Is Concerned With How Things Work – How They Are Controlled – And – The Nature Of The Interaction Between People And Technology

~ IITDOMATWDT-TUP-IINOD-TUT-A-M-DOM ~ It Is The Duty Of Machines And Those Who Design Them – To Understand People – It Is Not Our Duty – To Understand The – Arbitrary – Meaningless – Dictates Of Machines

~ TWHNS-HB-OTIIPS ~ Those Who Have Not Studied – Human Behavior – Often Think It Is Pretty Simple

~ WHTAHBTWII-NTWWWWITB ~ We Have To Accept Human Behavior The Way It Is – Not The Way We Would Wish It To Be

~ H-CD-P-H-N-C-A-B-F-TDTAT-N-C-A-WOB ~ Human-Centered Design – Puts – Human – Needs – Capabilities – And – Behavior – First – Then Designs To Accommodate Those – Needs – Capabilities – And – Ways Of Behaving

~ CIEIWTGW ~ Communication Is Especially Important When Things Go Wrong

~ GDPPE ~ Great Designers Produce Pleasurable Experiences

~ WWIWAP-WNTFOHTWI-TM-D-WID-HIW-A-WOAP:D ~ When We Interact With A Product – We Need To Figure Out How To Work It – This Means – Discovering – What It Does – How It Works – And – What Operations Are Possible: Discoverability

~ A-ARBTPO-AO-A-TCOTATDJHTOCPBU ~ Affordances – A Relationship Between The Properties Of – An Object – And – The Capabilities Of The Agent That Determines Just How The Object Could Possibly Be Used

~ A-D-WAAP-S-CWTASTP-WNB ~ Affordances – Determine – What Actions Are Possible – Signifiers – Communicate Where The Action Should Take Place – We Need Both

~ S-ST-IP-WAAPAHTSBD-SMBP-ETFTF ~ Signifiers – Signal Things – In Particular – What Actions Are Possible And How They Should Be Done – Signifiers Must Be Perceivable – Else They Fail To Function

~ F-CTROAA ~ Feedback – Communicating The Results Of An Action

~ FMBI:EADOATOASCBD ~ Feedback Must Be Immediate: Even A Delay Of A Tenth Of A Second Can Be Disconcerting

~ FMABI ~ Feedback Must Also Be Informative

~ PF-CBWT-NFAA-BII-D-U-A-IMC-IAA-P ~ Poor Feedback – Can Be Worse Than – No Feedback At All – Because It Is – Distracting – Uninformaitve – And – In Many Cases – Irritating And Anxiety-Provoking

~ FMABP-STUIIPIAUF-B-IS-APIAWTDCA ~ Feedback Must Also Be Prioritized – So That Unimportant Information Is Presented In An Unobtrusive Fashion – But – Important Signals – Are Presented In A Way That Does Capture Attention

~ FIE-B-IHTBD-C-A ~ Feedback Is Essential – But – It Has To Be Done – Correctly – Appropriately

~ SMAVOALATATSTHT ~ Simplified Models Are Valuable Only As Long As The Assumptions That Support Them Hold True

~ RI-CA-BR-TG-A-AA-WTRGI ~ Radical Ideas – Come About – By Reconsidering – The Goals – And – Always Asking – What The Real Goal Is

~ MOHBIAROSP-WAUOT-AAR-MOOBAHPB-IBAO-AW ~ Most Of Human Behavior Is A Result Of Subconscious Processes – We Are Unaware Of Them – As A Result – Many Of Our Beliefs About How People Behave – Including Beliefs About Ourselves – Are Wrong

~ WTTBT-T-CBSF-E-F-CAECBS-CTLTE:EDCT ~ We Tend To Believe That – Thought – Can Be Separated From – Emotion – False – Cognition And Emotion Cannot Be Separated – Cognitive Thoughts Lead To Emotions: Emotions Drive Cognitive Thoughts

~ TBISTAUTW-A-EACWIE-ATEDE-TIWMOLIBOPM-WTBAIIWTE-AECOHT ~ The Brain Is Structured To Act Upon The World – And Every Action Carries With It Expectations – And – These Expectations Drive Emotions – That Is Why Much Of Language Is Based On Physical Metaphors – Why The Body And Its Interaction With The Environment – Are Essential Components Of Human Thought

~ E-IHU-IF-TESIAPIPSTWITWC-CATMSOTW:EAV ~ Emotion – Is Highly Underrated – In Fact – The Emotional System Is A Powerful Information Processing System That Works In Tandem With Cognition – Cognition Attempts To Make Sense Of The World: Emotion Assigns Value

~ BM-HB-I-S-TI-IOWCA-WODKWWAAT-D-S-O-T-UAWHDI ~ Because Much – Human Behavior – Is – Subconscious – That Is – It Occurs Without Conscious Awareness – We Often Don’t Know What We Are About To – Do – Say – Or – Think – Until After We Have Done It

~ MAMEIA-TWULARATF-TJODTO(TOCM)-A-T-O ~ More And More Evidence Is Accumulating – That We Use Logic And Reason After The Fact – To Justify Our Decisions To Ourselves (To Our Conscious Minds) – And – To – Others

~ F-PR-EWIIANR-ALOF-C-AFOLOC-WCBU ~ Feedback – Provides Reassurance – Even When It Indicates A Negative Result – A Lack Of Feedback – Creates – A Feeling Of Lack Of Control – Which Can Be Unsettling

~ F-ICT-ME-A-GD-PT-E-PAIRIO-EL ~ Feedback – Is Critical To – Managing Expectations – And – Good Design – Provides This – Expectations – Play An Important Role In Our – Emotional Lives

~ PAIDTLFCOE-TFXAS-SISAPM ~ People Are Innately Disposed To Look For Causes Of Events – To Form Explanations And Stories – Storytelling Is Such A Persuasive Medium

~ EWTINSCA-TDSPFAO ~ Even When There Is No Single Causal Act – That Doesn’t Stop People From Assigning One

~ TFITL-WLMF-OF-TF-OS-WS-WOHNIW-WF-IIOPTFOW ~ To Fail Is To Learn – We Learn More From – Our Failures – Than From – Our Successes – With Success – We Often Have No Idea Why – With Failure – It Is Often Possible To Figure Out Why

~ MS-TS-A-IBLS ~ Make Something – Too Secure – And – It Becomes Less Secure

~ IIRETBPSTTFFM-AHNOPESHEIITIFMIPMSCTPRTATTMIOAETNH ~ It Is Relatively Easy To Bias People So That They Form False Memories – A Huge Number Of Psychological Experiments Show How Easy It Is To Implant False Memories Into People’s Minds So Convincingly That People Refuse To Admit That The Memory Is Of An Event That Never Happened

~ IAEF-S ~ If All Else Fails – Standardize

~ OWOOTFO-TN-ITMILL-TO ~ One Way Of Overcoming The Fear Of – The New – Is To Make It Look Like – The Old

~ Physical Limitations Are Well Understood By Designers; Mental Limitations Are Greatly Misunderstood

~ RCA ~ Root Cause Analysis

~ ITSLYM-TE-II-BD-A-ITSIYTM-TE-TII-RBD ~ If The System Lets You Make – The Error – It Is – Badly Designed – And – If The System Induces You To Make The Error – Then It Is – Really Badly Designed

~ AMCOEI-TS ~ A Major Cause Of Error Is – Time Stress

~ DD-PAIRIM-A ~ Deliberate Deviations – Play An Important Role In Many – Accidents

~ RE ~ Resilience Engineering

~ WAF-IODSWW ~ When Automation Fails – It Often Does So Without Warning

~ WWC-‘HE’-IOSAHATIIFTNOT ~ What We Call – “Human Error” – Is Often Simply A Human Action That Is Inappropriate For The Need Of Technology

~ A-BS-T-TWP-CBWT-NSAA:STCP ~ A – Brilliant Solution – To – The Wrong Problem – Can Be Worse Than – No Solution At All: Solve The Correct Problem

~ GDNSBTTSTPGTT:TSBTTU-WTRIA ~ Good Designers Never Start By Trying To Solve The Problem Given To Them: They Start By Trying To Understand – What The Real Issues Are

~ TD-DMOD:FTRP-FTRS ~ The Double-Diamond Model Of Design: Finding The Right Problem – Finding The Right Solution

~ TINSF-DOO-A-IW-TPWWBUTP ~ There Is No Substitute For – Direct Observation Of – And – Interaction With – The People Who Will Be Using The Product

~ QE ~ Question Everything

~ QOTSTPIDT-SQ-TQTB ~ Quite Often The Solution To Problems Is Discovered Through – Stupid Questions – Through Questioning The Obvious

~ NLOPD:TDAPDPS-IIBSAAB ~ Norman’s Law Of Product Development: The Day A Product Development Process Starts – It Is Behind Schedule And Above Budget

~ CIE:IICTIU ~ Complexity Is Essential: It Is Confusion That Is Undesirable

~ MIFCANRTP-EITAEAWESFFWFI ~ Most Innovations Fail Completely And Never Reach The Public – Even Ideas That Are Excellent And Will Eventually Succeed Frequently Fail When First Introduced

~ O-T-MC-B-TF-POI-A-P ~ Our – Technologies – May Change – But – The Fundamental – Principles Of Interaction – Are Permanent