a benefit cost analysis of early childhood intervention by jenny yaillen and nate blair
TRANSCRIPT
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A Benefit Cost Analysisof
Early Childhood Intervention
A Benefit Cost Analysisof
Early Childhood Intervention
By Jenny YaillenAnd Nate Blair
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Overview• Literature Review
– Previous interventions– Neuroscience
• Benefits
• Costs
• Q & A
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Lit Review• Abecedarian Program
– 1972-1985 in North Carolina– Very intensive, costly program– Curriculum focus: language– Early success in IQ improvements– Benefits > Costs, – Rate of return: 3 to 7%?
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Lit Review• Perry Preschool Project
– 1962-1967 in Michigan– Less intensive, but high quality– Curriculum focus: planning skills, natural play– Large benefits from reduced crime– B > C, Rate of return: 16%
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Lit Review• Chicago Child Parent Centers
– 1967-present– Large scale program– Curriculum: reading/math skills– 3 different programs: preschool yielded highest
returns– B > C, Rate of return: 18%
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Lit Review• Head Start
– 1965-present– Federally and state funded– Curriculum: language, social skills– Significant long term benefits– People believe B>C, but hard to measure
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Summary of Intervention Benefits
Program focus Short Run Medium Run Long Run Estimated Rate of Return
Abecedarian1972-1985N=117
Full-day programCognitionFine motor skillsSocial developmentLanguage
IQReading/math skillsMaternal employment &earnings
IQGrade retentionSpecial education
High school completionCollege enrollmentHealth (smoking)
7%
Perry Preschool1962-1967N=123
Half-day programBased on children’s natural playPlanning skills
IQLanguageBehavior
IQSpecial educationJuvenile delinquencyTeen pregnancyAcademic achievement
EmploymentHigh school completionArrestsIncomeWelfare use
16%
Chicago CPC1967-presentN=1539
Half-day programBasic language and math skills
Reading/math skills Grade retentionSpecial educationCrime/delinquency
High school completionArrests
18%
Head Start (retrospective analysis using PSID)1965-presentN=4000
Half-day programLearning skillsSocial skillsHealth status
Vocabulary Academic performance(vocabulary tests)Grade retentionImmunizationHeight
High school completionCollege enrollmentIncomeCriminal activity
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Evidence from Neuroscience
• Neuroscience is not part of the design or evaluation of existing programs, but, it’s what’s happening!
• Brain development– Synaptic pruning– High plasticity– Durability
• Compounding experiences– “Learners learn and skill begets skill.”
-- James Heckman – Delay of gratification
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Short-term Intervention Results
• Language benefits– Core– Receptive– Expressive
• Non-verbal IQ
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Projected Benefits• Medium term:
– Special education– Grade repetition– High school graduation– Values/Emotional intelligence
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Projected Benefits• Long term:
– College attendance– Employment– Income (tax revenue)– Benefits to posterity– Reduced crime rates
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BenefitsSpecial Education
Average cost per special education student in U.S.A
current average cost per student $7,552
average cost per special education student $16,921.00
Differential $9,369.00
total special edu. Students 71,398
Total estimated cost of Oregon special edu. program $668,927,862
Reduction in special education 6% to 48%... "representative estimate"
Reduction in special education 6% to 48%...
"representative estimate"
12%
estimated cost savings from reduced special education $80,271,343.44
discounted annuity 3% real 13 years $853,682,152.05 0.03
per student $11,956.67
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Costs• Low cost scenario
– Use existing Head Start room– Divide kids into 3 groups– One extra teacher and aide– Simultaneous interventions– Cost per student: $37.31
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CostsLow Cost Program
one 40-minute session
round up to one hour including set-up, etc..
one additional teacher (hourly wage) $15.03
one aide (hourly wage) $13.00
no extra room needed --------
Teacher's wage 4 days a week for 8 weeks $480.90
Fidelity checks: 2 per 8 weeks, 3 in the same room (2x3) $112.71
Intervention materials $50.00
Total $671.63
Total per student (18 students per class) $37.31
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Costs• High cost scenario
– Use additional room for intervention– One teacher and aide– 6 kids at a time – Cost per student: $247.41
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CostsHigh Cost Program
three 40-minute sessions
equals 3 hours total per day, multiply hourly wage by 3
one additional teacher (for 3 hours) $45.08
one teacher's aide (for 3 hours) $39.00
extra room needed $800.00
Teacher's wage 4 days a week for 8 weeks $1,442.69
Teacher's aide wage 4 days a week for 8 weeks $1,248.00
Fidelity checks: 2 per 8 weeks, 3 interventions $112.71
Intervention materials $50.00
Cost of extra room for 8 weeks $1,600.00
Total $4,453.40
Total per student (18 students per class) $247.41
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Costs• Training session
– Cost per teacher: $584.10
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CostsTraining Costs:
For full day of training - 1/2 theory, 1/2 hands on
For 6 teachers at once
Trainer's hourly wage (teacher's wage + 25%) $18.79
Teacher's wage $15.03
Materials (videos, etc.) $20.00
Assume a week (5 days) w/ 6 hour days of training:
Trainer's wage $563.55
Teachers' wages $2,705.04
Materials $20.00
Total $3,288.59
Total per teacher (6 teachers) $548.10
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Benefit Cost Comparison
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Conclusions• Theory favors a early, short, intensive
intervention - both neuro and economic theory!– High neuroplasticity– Durable compounding results – Diminishing marginal returns
• Low costs, high return• Cost-effective program
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Q & A(?)•