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General information

The MSG 2016-05 Nationally Representative Batch 8 sample cohort is characterized by the following:

VendorMSG
Sample descriptionNationally representative
Date drawnMay 11, 2016
Date of first mailingJune 27, 2016
Batch size4067
Experiment(s)None

Recruitment rates

All the recruitment rates below conform to AAPOR specifications. Please note that the Initial Response Rate reported in table 1 are based on AAPOR RR1. More information about the AAPOR response rates can be found at the Aapor web site.

To download the below information as an AAPOR excel sheet, please just click here.

Mailout and phone follow up of initial survey

The initial mail survey is a standard paper and pencil mail survey. Hence, the response rate of this is computed like any mail survey.

Total sample4,067
Eligible refusals and noncontacts (R)
Refused to participate0
Incomplete interviews0
Refusals and noncontacts with unknown eligibility (U)
Nothing returned2,058
Ineligible
Undeliverable by mail596
Unreachable by phone0
Responses (I)1,413
Initial Response Rate (I/(I + R + U))40.7%

Consent to participate

The initial mail survey asks respondents whether they would be interested in participating in the Understanding America Study. Everyone who answers affirmatively and who receives a login code is considered to have provided consent. The recruitment rate is then calculated as the number of people who receive a login code divided by the total number of eligible responses to the mail survey.

Total sample1,413
Eligible refusals and noncontacts (R)
Refused to participate359
Refusals and noncontacts with unknown eligibility (U)0
Responses (I)1,054
Recruitment Rate (I/(I + R + U))74.6%

Initial participation

The profile rate (PROR) is the fraction of the individuals who consented who completed My Household and thus became a panel member.

Total sample1,054
Eligible refusals and noncontacts (R)
Logged on to survey, did not complete any item0
Partially completed the My Household survey19
Did not log on523
Responses (I)512
Profile Rate (I/(I + R))48.6%

Overall recruitment rate

The overall recruitment rate (ORR) is the product of the response rates computed above (initial response rate, recruitment rate, and profile rate):

ORR = IRR * RECR * PROR = 0.407 * 0.746 * 0.486 = 14.8%

Active panel

As in any panel, we monitor attrition. Because individuals often simply stop responding without actively withdrawing from the panel and without us being able to contact them, we adopt the criterion that an individual is considered to be an active panel member if they participated in any survey in the last year (counting back from today, that is, October 22, 2019). A panel member who is not an active panel member but has not been removed yet from the panel is an inactive panel member.

Total sample512
Eligible refusals and noncontacts (R)
Voluntary drop-out2
Temporarily unavailable1
Individuals removed for miscellaneous reasons5
Refusals and noncontacts with unknown eligibility (U)
Inactive panel member162
Ineligible
Deceased0
Ineligible for another reason0
Responses (I)342
Retention Rate (I/(I + R + U)66.8%

Cumulative response rate

The cumulative response rate (CUMRR) up to and including retention is the product of the response rates computed above (initial response rate, recruitment rate, profile rate, and retention rate):

CUMRR = IRR * RECR * PROR * RETR = 0.407 * 0.746 * 0.486 * 0.668 = 9.9%