gift-syntax/dsd-tutor-rules

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for GIFT quizes

Adapted and annotated from figures in del Soldato, T. & du Boulay, B. (1995) "Implementation of Motivational Tactics in Tutoring Systems," Journal of Artificial Intelligence in Education, 6(4): 337-78:

# perfomance modeling - t6p355rP1-2

Rule P1 -- perfomance model successful:
if agreements/completed > perf-threshold 
  then perf-value = successful 
Rule P2 -- perfomance model unsuccessful:
if agreements/completed <= perf-threshold 
  then perf-value = unsuccessful 

# repitition testing - t6p355rP3-4

Rule P3 -- path model lost:
if tries > step-repition-limit (from problem type) 
  then path-state = lost 
Rule P4 -- path model OK:
if tries <= step-repition-limit (from problem type) 
  then path-state = OK 

# confidence modeling - t7p356rC1-2

Rule C1: 
if answer was low-confidence (either agree or disagree) 
  then decrement conf-value 
Rule C2: 
if answer was high-confidence (either agree or disagree) 
  then increment conf-value 

Rule C3 -- decrease modeled confidence on help request:
if answer was help request 
  then decrement conf-value 

Rule C4: 
if problem-state = succeeded 
  and without help 
    then increment conf-value by large-conf-inc
Rule C5: 
if problem-state = succeeded 
  and with help 
    then increment conf-value 
Rule C6: 
if problem-state = failed 
  and without help 
    then decrement conf-value 
Rule C7: 
if problem-state = failed 
  and with help 
    then decrement conf-value by large-conf-dec

# effort modeling - t8p357 (non-rule)

if path-state = lost 
  then effort-value = "medium" + 1
if problem-state = succeeded 
  then effort-value += 2
if help was asked for
  then effort-value += 1

# independence modelling - t9p358rI1-I4

Rule I1:
if help-state = suggesting 
  then decrement indep-value 

Rule I2:
if help-state = providing
  and detail = general
    then decrement indep-value 

Rule I3:
if help-state = providing
  and detail = specific
    then decrement indep-value by large-indep-dec

Rule I4:
if help-state = rejected 
  then increment indep-value by large-indep-inc

# domain-based planner rules - t10p359rD1-D7

Rule D1:
if problem-state = succeeded
  then provide right assessment; suggest harder problem
Rule D2:
if problem-state = failed
  then provide wrong assessment; suggest same-diff problem
Rule D3:
if problem-state = given-up
  then suggest same-diff problem
Rule D4:
if problem-state = rejected 
  then suggest same-diff problem

Rule D5:
if help-state = requested
  then provide help 
Rule D6:
if help-state = rejected
  then help not-needed

Rule D7:
if path-state = lost
  then provide help

# motivational planner rules - t11p360rM1-M20

Rule M1:
if conf-value < conf-threshold 
  then increase confidence       # when and how is this reset?
Rule M2:
if effort-value < "medium"
  then increase effort
Rule M3:
if effort-value > "medium"
  then maintain effort
Rule M4:
if help-state = rejected
  then respect control
Rule M5:
if problem-state = given-up      # "above give-up-lim"
  then respect control
Rule M6:
if indep-value < indep-threshold
  and not increase confidence
    then increase control
Rule M7:
if problem-state = succeeded
  and increase confidence
    then increase experience success
Rule M8:
if problem-state = failed
  and increase confidence
    then facilitate success
Rule M9:
if problem-state = given-up 
  and increase effort (M2)
  and not increase confidence
  and not respect control
    then encourage effort
Rule M10:
if problem-state = given-up
  and increase confidence
  and not respect control
    then facilitate success
Rule M11:
if problem-state = succeeded
  and increase effort
    then stimulate challenge
Rule M12:
if stimulate challence (M11)
  and increase confidence (M1)
    then emphasise promotion
Rule M13:
if problem-state = failed
  and increase effort
  and not increase confidence
    then stimulate curiosity
Rule M14:
if perf-value = successful
  and facilitate success
  and increase effort
    then remind success
Rule M15:
if path-state = lost
  and increase control
    then avoid intervention
Rule M16:
if help-state = requested
  and increase control
    then encourage independence
Rule M17:
if encourage independence
  then avoid intervention 
Rule M18:
if help-state = rejected
  and help-skip-next = no (needs to be fitted to "skip next help" or whatever)
  and respect control
    then avoid next intervention 
Rule M19:
if help-state != rejected
  and help-skip-next = yes (ditto)
    then avoid intervention
Rule M20:
if help-state != requested
  and not increase confidence 
  and not stimulate curiosity
    then share control

# negotiated actions - t12p363-rN1-N7

Rule N1
action:  suggest harder problem
tactics:  increase success; not stimulate challenge
negotiated:  suggest problem, similar difficulty

Rule N2
action:  suggest harder problem
tactic:  stimulate challenge; not increase confidence
negotiated:  suggest much-harder problem

Rule N3
action:  suggest harder problem
tactic:  emphasise promotion
negotiated:  suggest harder problem; provide level-promotion comment

Rule N4
action:  provide wrong assessment; suggest same-diff problem
tactic:  emphasize promotion
negotiated:  suggest harder problem; provide level-promotion comment

Rule N5 -- requires suprise result
action:  provide wrong assessment
tactic:  stimulate curiosity (M13)
negotiated:  provide suprise result help

Rule N6
action:  provide right assessment
tactic:  maintain effort
negotiated:  provide right assessment; provide praise performance comment

Rule N7
action:  provide wrong assessment
tactic:  maintain effort 
negotiated:  provide wrong assessment; provide praise performance comment

# negotiated actions (cont) - t12p364rN8-N15

Rule N8
action:  suggest problem; not provide assessment
tactic:  facilitate success; not respect control 
negotiated:  provide help

Rule N9
action:  suggest problem; not provide assessment
tactic:  encourage effort
negotiated:  provide trying-harder comment; suggest help

Rule N10
action:  ---
tactic:  remind successes
negotiated:  provide previous-successes comment

Rule N11
action:  provide help
tactic:  avoid intervention
negotiated:  skip help

Rule N12
action:  ---
tactic:  encourage independence
negotiated:  provide encourage-indep comment

Rule N13
action:  provide general help
tactic:  increase confidence
negotiated:  provide specific help

Rule N14
action:  provide help
tactic:  share control
negotiated:  suggest help

Rule N15
action:  help not-needed
tactic:  avoid next intervention
negotiated:  skip next-help