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STRESS AND PERFORMANCEIN NAVY SELECTION AND CLASSIFICATION
DR. STEPHEN E. WATSON
DIRECTOR, NAVY SELECTION AND CLASSIFICATION
09FEB16
FEDERAL EXECUTIVE INSTITUTE, CHARLOTTESVILLE VIRGINIA
Loosely Based on…
Praxis: Bold as Love
-OR-
Testing, Validating and Employing an Empirical Model of Human Performance in a High Performing Organization. In, Human Performance Enhancement: Insights, Developments and Future Directions from Military Research. O’Connor and Cohn (Eds.) 2010.
Navy Selection & Classification - Characteristics
Problem Characteristics– Recruits arrive for classification one at a time– No way of knowing whether a ‘better person for the job’ will turn up tomorrow– Not all recruits are qualified for all available jobs– Quotas on each job
No exact optimization exists for this problem– Putting each recruit into the job which is individually best for them will probably not lead to the best
overall outcome– Putting a recruit in a job for which he/she is “over-qualified” leads to …
– fewer such jobs available for later recruits
– possible that no jobs are suitable for last arrivals
– waste of ‘talent’
– Putting a recruit in a job for which he/she is “under-qualified” leads to … – higher likelihood of failure at the job (at Initial Skills Training)
– later arrivals of high ability are likely to be ‘wasted’
… Balance is the key 3
Yerkes-Dodson Law
4
5RIDE Ability Model: Efficient Resource Allocation
0%
100%
TEST SCORE
SCH
OO
L SU
CCES
S
1000
85%
85
QS-FPPS Correlation
Example Graph of Qual-Score Against FPPS (AM/M FY08-FY11 : Population 2045)
6
190 200 210 220 230 240 250 260 27070%
75%
80%
85%
90%
95%
100%
AM/Male (n=2045)
Qualification Score (AR+AS+MK+VE)
FPPS
RIDE 7
FIRS
T PA
SS P
IPEL
INE
SUCC
ESS
CUTSCORE
POINT OF DIMINISHED RETURN
CUTSCORE COMPOSITE
QS-FPPS Correlation
8
190 200 210 220 230 240 250 260 27070%
75%
80%
85%
90%
95%
100%
AM/Male (n=2045)
Qualification Score (AR+AS+MK+VE)
FPPS
Cut-score
PDR
9YERKES-DODSON
Activation / Stress
PER
FOR
MA
NC
E
hi low
10RIDE Ability Function
Scho
ol S
ucce
ss(F
irst P
ass P
ipel
ine
Succ
ess)
CUTSCORE
POINT OF DIMINISHED RETURN
CUTSCORE COMPOSITE
AFQTOptimal challenge level
ASVAB
Rating Identification Engine (RIDE) Model: Efficient Resource Allocation
Considers first pass pipeline success (FPPS) as the training success measure
– FPPS: pass entire training pipeline, no setbacks
Reduces exaggerated “best” test score– Developed plateau relationship between training success and cut score, vice simple
linear relationship
– Modified utility score by a factor reflecting the degree of difficulty of a job
Penalizes for “over-qualification” of applicant– AFQT based for a given program/rating, to minimize resource “wastage”
Increases number of jobs applicant “optimally” qualified for– Increases number of ratings “tied” for the top of the list
– Increases opportunity for interest based vocational guidance
11
RIDE Score
For an individual Sailor i, the score for a given job r is found by:
RCS = 0.5 * Hr * Ŝir + 0.5 * Qir
where:
Qir = is the AFQT penalty function,
= 1 if the Sailor-AFQT < AFQT-μr + 0.5 * AFQT-σr
= 0 if the Sailor-AFQT > AFQT-μr + 3.5 * AFQT-σr
= linear interpolation if Sailor-AFQT between these values
Ŝir = is the school success function = 1 if the Sailor-QSir > PDR r
= 0 if the Sailor-QSir < Cut-score r
= linear interpolation if Sailor-QS between these values
Hr = job ‘hardness’ factor – a normalized function of the rating PDR
12
RIDE Web Services Interfaces
PRIDE MOD– To classify Navy applicants
– Provides classifier/applicant with a job ranking (recommendation)
Fleet RIDE– Whenever a Recruit or Trainee is re-classified
– Whenever an Apprentice Sailor applies for Rating Entry
– Whenever a Fleet Sailor is ‘qualified’ for conversion
– Whenever a Sailor transitions from Active to Reserve or vice versa
13
RIDEMeasures of
Effectiveness
05/02/2023 14
First Pass Pipeline Success (A-School)FPPS vs RIDE Rank (binned) (n=125k)
80%
82%
84%
86%
88%
90%
92%
94%
1-5
11-1
5
21-2
5
31-3
5
41-4
5
51-5
5
61-6
5
71-7
5
81-8
5
91-9
5
101-
105
111-
115
121-
125
131-
135
141-
145
151-
225
RIDE Rank (bin)
FPP
S
05/02/2023 15
Advancement
0%
1%
2%
3%
4%
5%
6%
7%
8%
9%
10%
1-5
6-10
11-1
5
16-2
0
21-2
5
26-3
0
31-3
5
36-4
0
41-4
5
46-5
0
51-5
5
56-6
0
61-6
5
66-7
0
71-7
5
76-8
0
81-8
5
86-9
0
91-9
5
96-1
00
101-
105
106-
110
111-
115
116-
120
121-
125
% R
ecru
its n
ow a
t >=
E6
RIDE Rank (bin)
Recruits Attaining E-6 vs RIDE Rank (binned) (n=105k)
05/02/2023 16
Retention
1-10 11-20 21-30 31-40 41-50 51-60 61-70 71-80 81+40%
45%
50%
55%
60%
65%
70%
75%
80%First Term Re-enlistment
RIDE rank (binned)
% S
ailo
rs R
e-en
listin
g
References
Watson, S. (2010) Testing, Validating and Employing an Empirical Model of Human Performance in a High Performing Organization. In, Human Performance Enhancement: Insights, Developments and Future Directions from Military Research. O’Connor and Cohn (Eds.)
Yerkes, R. M. & Dodson, J. D. (1908). The Relation of Strength of Stimulus to Rapidity of Habit-Formation, Journal of Comparative Neurology and Psychology, 18, 459-482.
Clark, D. (1999). Yerkes-Dodson law – Arousal. Retrieved May 23, 2004 from: http://www.nwlink.com/~donclark/hrd/history/arousal.html
“Fleet-RIDE: Enabling Technology for Sailor Continuous Career Counseling”, Watson, S. E., & Blanco, T.A., Interservice/Industry Training, Simulation, and Education Conference (I/ITSEC), 2004
Questions?