Various Customer Surveys

Generic Clearance for Data User and Customer Evaluation Surveys

PartnershipSurvey Sample Plan Overview

Various Customer Surveys

OMB: 0607-0760

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12/02/2010

Second Revision of the

Sample Plan for the 2010 Census Partnership Survey

Proportional Allocation

Universe size: ~247,000 Partners listed in the Integrated Partner Contact Database

Sample Size: 7,502 = 1340 * 5 + 802

Strata: 6 Strata Formed

National Partners

(Self-representing Strata)

N = 802

n = 802

Base Weight = 1.000

State/Local/Tribal Government Agency Partner Strata

N = 38,716

n = 1340

Base Weight = 28.8925

SE(0.50) = 0.02

90% CI: 0.50 +/- 0.03

Community Organization Partner Strata

9 Strata based on Hard-to-Count and Value Added

Hard-to-Count

Value Added

Low

n = 2,680

SE(0.50) = 0.01

90% CI: 0.50 +/- 0.02

$0

N = 36,946

n = 1,340

Base Weight = 27.5716

SE(0.50) = 0.02

90% CI: 0.50 +/- 0.03

>$0

N = 61,950

n = 1,340

Base Weight = 46.2313

SE(0.50) = 0.02

90% CI: 0.50 +/- 0.03

High

n = 2,680

SE(0.50) = 0.01

90% CI: 0.50 +/- 0.02

$0

N = 42,526

n = 1,340

Base Weight = 31.7358

SE(0.50) = 0.02

90% CI: 0.50 +/- 0.03

>$0

N = 66,255

n = 1,340

Base Weight = 49.4440

SE(0.50) = 0.02

90% CI: 0.50 +/- 0.03



  • Sample distributed proportionally to nonself-representing strata within Hard-to-Count Stratum.

  • Sort within State/Local/Tribal stratum by Region, State, State Government Organizations, Regional Organizations, Tribal Organizations, Value Added, Member Count

  • Sort within Hard-to-Count by Value Added stratum by Region, State, Partner Type, Number of Members

  • This sampling plan will buy us:

    • Coverage of Partners in the Hard-to-Count score, Value Added score, region, and size of membership.

    • National Level Estimates will have a 90% confidence interval of +/- 1%.

    • Within each Hard-to-Count stratum we will have a 90% confidence interval of +/- 2%.

    • Within each Hard-to-Count by Value Added stratum we will have a 90% confidence interval of +/- 3%.

    • We will be able to detect differences in estimates of 4.26% (i.e. if the difference is more than 4.26% then the difference is significant.) at the Hard-to-Count stratum level.



Assumptions:



The assumptions made for this sampling plan:

  • Initial response rate is 30% within each stratum.

  • We will conduct a nonresponse follow-up of all NR cases with an assumption of 62% response.

These two estimates are used in determining the sample size.

Weighting: Base weight = Inverse of Probability of Selection

Nonresponse Adjustment: Inverse of propensity to response (based on logistic regression)

Second-stage Adjustment to Universe Totals

Variance: Implement a Stratified Jackknife Procedure



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