Some Researcher Considerations
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CAPITALS
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Some Researcher Considerations
Dr. Sigrid Eldh
Ericsson AB & Karlstad University
When Conducting
Empirical Studies in Industry
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ƄƅƆƇƈƉƊƋƌƍƎΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΩΪƄƅƆƇΰαβγδεζηθικλμνξρςΣΤΥΦΧΨΩΪƈƉƊ
ЁЂЃЄЅІЇЈЉЊЋЌЍЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЁЂЃЄЅІЇЈЉЊЋЌЍЎѢѢѲѲѴѴҐҐәǽẀẁẂẃẄẅẆẇẈ
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The Problem Picture (in 5 min?)
› Do you fully understand the problem at hand?
› Communicating with the right persons?
› How do you relate to unpleasant results?
› How do you treat the business aspects and validity?
› How do you manage intellectual property?
› How is your competence valued?
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ƄƅƆƇƈƉƊƋƌƍƎΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΩΪƄƅƆƇΰαβγδεζηθικλμνξρςΣΤΥΦΧΨΩΪƈƉƊ
ЁЂЃЄЅІЇЈЉЊЋЌЍЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЁЂЃЄЅІЇЈЉЊЋЌЍЎѢѢѲѲѴѴҐҐәǽẀẁẂẃẄẅẆẇẈ
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Real EXAMPLE TESTING MUST GO FASTER
› Industrial Manager: –Testing takes too long!
–We must test less!
› Academic Researcher: – Research on minimizing the regression test suites
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ƄƅƆƇƈƉƊƋƌƍƎΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΩΪƄƅƆƇΰαβγδεζηθικλμνξρςΣΤΥΦΧΨΩΪƈƉƊ
ЁЂЃЄЅІЇЈЉЊЋЌЍЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЁЂЃЄЅІЇЈЉЊЋЌЍЎѢѢѲѲѴѴҐҐәǽẀẁẂẃẄẅẆẇẈ
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TESTING Our system is So Complex And Expensive
›Industrial Manager: –Testing is so complex
–We cannot find the real faults
› Academic Researcher:
– Model-Based Test – Formal Verification
No, do not hire “Models” to create the test….
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ƄƅƆƇƈƉƊƋƌƍƎΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΩΪƄƅƆƇΰαβγδεζηθικλμνξρςΣΤΥΦΧΨΩΪƈƉƊ
ЁЂЃЄЅІЇЈЉЊЋЌЍЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЁЂЃЄЅІЇЈЉЊЋЌЍЎѢѢѲѲѴѴҐҐәǽẀẁẂẃẄẅẆẇẈ
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what the Industrial manager Is ‘REALLY’ saying:
We do not really understand
this testing business, but
somehow the cost and time
spent seems to mismatch our
expectations
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ƄƅƆƇƈƉƊƋƌƍƎΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΩΪƄƅƆƇΰαβγδεζηθικλμνξρςΣΤΥΦΧΨΩΪƈƉƊ
ЁЂЃЄЅІЇЈЉЊЋЌЍЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЁЂЃЄЅІЇЈЉЊЋЌЍЎѢѢѲѲѴѴҐҐәǽẀẁẂẃẄẅẆẇẈ
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Instead the problem might be › Wrong expectations?
› The process of testing is poor?
› It take too long “on the critical time line” before release?
› The organization finds faults too late in the process delaying release?
› Fixing the faults takes too long?
› The test suites are not effective enough (finds enough faults) to motivate the delay?
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ƄƅƆƇƈƉƊƋƌƍƎΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΩΪƄƅƆƇΰαβγδεζηθικλμνξρςΣΤΥΦΧΨΩΪƈƉƊ
ЁЂЃЄЅІЇЈЉЊЋЌЍЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЁЂЃЄЅІЇЈЉЊЋЌЍЎѢѢѲѲѴѴҐҐәǽẀẁẂẃẄẅẆẇẈ
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OR the problem IS..
› The test cases are poorly written (lacks architecture) & do not uses techniques?
› The test skills are poor ?
› We have not understood test automation – we just automated our manual tests?
› The understanding and measurements of what is “enough” tested for a certain quality is not yet sufficiently stated in this organization?
› The Test Tools we use are old and too expense (or too difficult to change)?
› The contract situation we signed is lousy – we loose money if it is too many faults or we get delayed….
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ƄƅƆƇƈƉƊƋƌƍƎΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΩΪƄƅƆƇΰαβγδεζηθικλμνξρςΣΤΥΦΧΨΩΪƈƉƊ
ЁЂЃЄЅІЇЈЉЊЋЌЍЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЁЂЃЄЅІЇЈЉЊЋЌЍЎѢѢѲѲѴѴҐҐәǽẀẁẂẃẄẅẆẇẈ
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Do YOU possess the skill to analyze
what is really the issue?
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ƄƅƆƇƈƉƊƋƌƍƎΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΩΪƄƅƆƇΰαβγδεζηθικλμνξρςΣΤΥΦΧΨΩΪƈƉƊ
ЁЂЃЄЅІЇЈЉЊЋЌЍЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЁЂЃЄЅІЇЈЉЊЋЌЍЎѢѢѲѲѴѴҐҐәǽẀẁẂẃẄẅẆẇẈ
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Industry view A SYSTEM
Series of “connecting” Problems:
People/org, hw,sw,$, process….
Academic view A topic/area
A specific problem
(in a specific context)
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Characters for Embedded font: !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĈĉĊĎďĐđĒĖėĘęĚěĜĝĞğĠġĢģĤĥĦħĨĩĪīĬĭĮįİıIJijĴĵĶķĸŐőŒœŔŕŖŗŘřŚśŞşŠšŢţŤťŦŧŨũŪūŬŭŮůŰűŲųŴŵŶŷŸŹźŻżŽžſƀƁƂƃẀẁẃẄẅẆẇ–—―‖‗‘’‚‛“”„‟†‡•‣․ĀĀĂĂĄĄĆĆĈĈĊĊĎĎĐĐĒĒĖĖĘĘĚĚĜĜĞĞĠĠĢĢĤĤĦĨĨĪĪĬĬĮĮIJIJĴĴĶĶĸĸŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŦŦŨŨŪŪŬŬŮŮŰŰųųŵŵźŻ‥…‧
ƄƅƆƇƈƉƊƋƌƍƎΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΩΪƄƅƆƇΰαβγδεζηθικλμνξρςΣΤΥΦΧΨΩΪƈƉƊ
ЁЂЃЄЅІЇЈЉЊЋЌЍЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЁЂЃЄЅІЇЈЉЊЋЌЍЎѢѢѲѲѴѴҐҐәǽẀẁẂẃẄẅẆẇẈ
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Do not ask people with the wrong competence, and right position!
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Characters for Embedded font: !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĈĉĊĎďĐđĒĖėĘęĚěĜĝĞğĠġĢģĤĥĦħĨĩĪīĬĭĮįİıIJijĴĵĶķĸŐőŒœŔŕŖŗŘřŚśŞşŠšŢţŤťŦŧŨũŪūŬŭŮůŰűŲųŴŵŶŷŸŹźŻżŽžſƀƁƂƃẀẁẃẄẅẆẇ–—―‖‗‘’‚‛“”„‟†‡•‣․ĀĀĂĂĄĄĆĆĈĈĊĊĎĎĐĐĒĒĖĖĘĘĚĚĜĜĞĞĠĠĢĢĤĤĦĨĨĪĪĬĬĮĮIJIJĴĴĶĶĸĸŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŦŦŨŨŪŪŬŬŮŮŰŰųųŵŵźŻ‥…‧
ƄƅƆƇƈƉƊƋƌƍƎΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΩΪƄƅƆƇΰαβγδεζηθικλμνξρςΣΤΥΦΧΨΩΪƈƉƊ
ЁЂЃЄЅІЇЈЉЊЋЌЍЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЁЂЃЄЅІЇЈЉЊЋЌЍЎѢѢѲѲѴѴҐҐәǽẀẁẂẃẄẅẆẇẈ
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Let us talk Money! › A highly distinguished professor at a US university
“I did my math, and I could prove that my algorithm saved 50 000$” using my
method – and STILL the industry was not interested?
› The questions the professor did NOT ASK!
– How many people does this change affect?
‡ 1000nds of developers, 1000nds testers?
– Is it a relevant improvement for this project?
– How many could be trained in the new way?
– How many TIMES will this method be used or is it a one time save?
– In what way does this affect the final product? How much money is saved?
“One week in my industrial project costs 300 000$”
![Page 12: Some Researcher Considerations](https://reader034.fdocuments.in/reader034/viewer/2022051204/62781c4cc4a4d816fd381fa9/html5/thumbnails/12.jpg)
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Characters for Embedded font: !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĈĉĊĎďĐđĒĖėĘęĚěĜĝĞğĠġĢģĤĥĦħĨĩĪīĬĭĮįİıIJijĴĵĶķĸŐőŒœŔŕŖŗŘřŚśŞşŠšŢţŤťŦŧŨũŪūŬŭŮůŰűŲųŴŵŶŷŸŹźŻżŽžſƀƁƂƃẀẁẃẄẅẆẇ–—―‖‗‘’‚‛“”„‟†‡•‣․ĀĀĂĂĄĄĆĆĈĈĊĊĎĎĐĐĒĒĖĖĘĘĚĚĜĜĞĞĠĠĢĢĤĤĦĨĨĪĪĬĬĮĮIJIJĴĴĶĶĸĸŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŦŦŨŨŪŪŬŬŮŮŰŰųųŵŵźŻ‥…‧
ƄƅƆƇƈƉƊƋƌƍƎΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΩΪƄƅƆƇΰαβγδεζηθικλμνξρςΣΤΥΦΧΨΩΪƈƉƊ
ЁЂЃЄЅІЇЈЉЊЋЌЍЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЁЂЃЄЅІЇЈЉЊЋЌЍЎѢѢѲѲѴѴҐҐәǽẀẁẂẃẄẅẆẇẈ
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Characters for Embedded font: !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĈĉĊĎďĐđĒĖėĘęĚěĜĝĞğĠġĢģĤĥĦħĨĩĪīĬĭĮįİıIJijĴĵĶķĸŐőŒœŔŕŖŗŘřŚśŞşŠšŢţŤťŦŧŨũŪūŬŭŮůŰűŲųŴŵŶŷŸŹźŻżŽžſƀƁƂƃẀẁẃẄẅẆẇ–—―‖‗‘’‚‛“”„‟†‡•‣․ĀĀĂĂĄĄĆĆĈĈĊĊĎĎĐĐĒĒĖĖĘĘĚĚĜĜĞĞĠĠĢĢĤĤĦĨĨĪĪĬĬĮĮIJIJĴĴĶĶĸĸŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŦŦŨŨŪŪŬŬŮŮŰŰųųŵŵźŻ‥…‧
ƄƅƆƇƈƉƊƋƌƍƎΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΩΪƄƅƆƇΰαβγδεζηθικλμνξρςΣΤΥΦΧΨΩΪƈƉƊ
ЁЂЃЄЅІЇЈЉЊЋЌЍЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЁЂЃЄЅІЇЈЉЊЋЌЍЎѢѢѲѲѴѴҐҐәǽẀẁẂẃẄẅẆẇẈ
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Successful cooperation!
Both Industry and Academia
get their goals fulfilled
You are both returning
to the collaboration!
Together you are Innovating
and contributing to a world
of better know-how
Contribution is
deployed and used
Both Gain Recognition
(Publication)
![Page 14: Some Researcher Considerations](https://reader034.fdocuments.in/reader034/viewer/2022051204/62781c4cc4a4d816fd381fa9/html5/thumbnails/14.jpg)