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How do we solve ro!le"s

 Tools created !y $li Goldratt

%hat to change#

 urrent Reality Tree

 To what to change#

 $vaorating loud  Future Reality Tree & Negative Branch

 How to change#

 Prere'uisite Tree

 Transition Tree

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Future Reality Tree

Future Reality Tree (( a logic(!ased tool )or constructing

otential solutions !e)ore i"le"entation* The o!+ectivdevelo. e/and. and co"lete the solution. and ,0- ideor revent new ro!le"s created !y i"le"enting the 4ictionary. * 5*-

)uture reality tree allows us to "a out our )uture e/that we will introduce so"ething new into our reality ,thwe develoed to !rea6 our current reality ro!le" or co)uture reality tree lets us test the )uture outco"e using and e8ect to chec6 that what we want is what we will g

)uture reality tree "ight !e thought o) as a current rethe undesira!le e8ects ,U4$s- changed to desira!le e8

2n+ection is a solution to the core ro!le". a strategy thall o) the U4$9s

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3a"le Future Reality Tree

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Purose o) FRT

$na!les e8ectiveness testing o) new ideas !co""itting resources to i"le"entation*

:alidate that the in+ection will achieve the de8ects ,4$9s-

4eter"ines whether the roosed changes unintended conse'uences*

3erves as the initial lanning tool )or changicourse o) the )uture*

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ssu"tions o) FRT

3yste" co"onents are interdeendent* cone a8ects others*

hange has !oth intended and unintended e

Unintended e8ects can !e anticiated*

3o"e changes cause "ore ro!le"s than th 2deas do not !eco"e solutions until they hav

validated*

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Building the Future Reality Tree

3tart !y turning the U4$9s around and writing thositive tone as 4$9s

Place 4$9s at the to o) the li"!s in the FRT

t the !otto" o) the FRT lace the in+ection

Building the FRT is a two(hase rocess

Build considering only ositive. ideal lin6s. and assu"strategies

dd negative loos later

Fill in the gas ,!uilding uward-

dd additional in+ections as necessary*

Build rein)orcing loos i) ossi!le*

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Future Reality Tree ( $/a"le

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 The Prere'uisite Tree

Pre(re'uisite tree is the tree that allows us to overco"e thesto us )ro" i"le"enting our lan* 2t is also the tree that !eco"es the i"le"entation lan

 The re(re'uisite tree is co"osed o) two ele"ents. an o!s

inter"ediate o!+ective* The inter"ediate o!+ective is the ac"ust underta6e to overco"e the o!stacle* The o!stacles athat e/ist now. which we "ust re"ove or overco"e. or thine/ist now which we "ust o!tain*

Place in+ections at the to

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 The Transition Tree %e "ust )ocus. not on wh

do !ut on what we lan to

For each 2O. a seci>c actactions are deter"ined a

ausing a seci>c changethe i"erative

 The transition tree rovid)or getting )ro" here to th

$/ectede8ect

ondition o)reality

Un)ul>lledneed

3eci>caction

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Negative Branch Reservation

Negative Branch Reservation is a logic( !ased tool using

e8ect relationshis to identi)y the ossi!le negative e8ethe i"le"entation o) the solution

negative !ranch reservation is a "odi>cation o) the )utree that accounts )or new negative outco"es that resuin+ections*

$ssentially the otential undesira!le outco"es "ust !e"odi>ed !y either changing the original in+ection or "a)urther and hoe)ully lesser in+ection to account )or the

 The NBR is the tool o) choice in gaining understanding a

that there will !e no undesira!le side e8ects that "ight

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 Than6 you**