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American Trends Panel Wave 61




The American Trends Panel (ATP) is a national, probability-based online panel of adults living in households in the United States. On behalf of the Pew Research Center, Ipsos Public Affairs ('Ipsos') conducted the 61st wave of the panel from Feb. 4-15, 2020. In total, 6,395 ATP members (both English- and Spanish-language survey-takers) completed the Wave 61 survey. Survey weights were provided for the total responding sample. The margin of sampling error for weighted estimates based on the full sample is +/- 1.59 percentage points. The ATP Wave 61 asked questions about religion and public life.

The ARDA has added six additional variables to the original data set to enhance the users' experience on our site.

Data File

Cases: 6395
Variables: 105
Weight Variable: WEIGHT_W61

Survey weights are needed to support reliable inference from the panel to the target population of US adults. The final survey dataset contains a total sample weight variable (WEIGHT_W61). The design of this weight is described below.

Starting with the base weights of ATP sample, respondents are weighted to represent the ages 18+ population with respect to the following characteristics:
- Gender (male, female) x age (18-24, 25-34, 35-44, 45-54, 55-64, 65+)
- Gender (male, female) x education (high school graduate or less, some college, college graduate +)
- Age (18-34, 35-54, 55+) x education (high school graduate or less, some college, college graduate +)
- Race/ethnicity (White non-Hispanic, Black non- Hispanic, Hispanic, other/multi-race non-Hispanic) by education (high school graduate or less, some college, college graduate +) and education is not broken out (but collapse) within other/multi-race non-Hispanic]
- Census region (Northeast, Midwest, South, West) by metropolitan status (metro, non-metro)
- Accesses internet by paying a cell phone company or internet service provider (yes, no)
- Party ID (Republican, Democrat, Independent/other/don't know/refused)
- Volunteerism (volunteered, did not volunteer)
- Registered voter (yes, no)
- Hispanic origin (Mexican, Puerto Rican, Cuban, Spanish, all others, non-Hispanic)
- Race/ethnicity by place of birth {White non-Hispanic, Black non-Hispanic, Hispanic born in U.S. (not including unincorporated territories), Hispanic born in Puerto Rico, Hispanic born in Cuba, Hispanic born in Mexico, Hispanic born elsewhere, other/multi-race non-Hispanic}
- Religion (historically Black Protestant churches, Jewish, all others)

The weighting benchmarks are provided by Pew Research Center. Weights are trimmed and scaled to sum to the unweighted sample size of total respondents.

Data Collection

February 4 - February 15, 2020

Original Survey (Instrument)

ATP W61 Questionnaire

Funded By

Support for this project was provided by the Pew Charitable Trusts.

Collection Procedures

The data collection field period for Wave 61 was Feb. 4-15, 2020. Postcard notifications were mailed to all ATP panelists with a known residential address on February 5, 2020.

On February 4 and February 5 invitations to Wave 61 were sent out in two separate launches: Soft Launch and Full Launch. One-hundred and twenty-six panelists were included in the soft launch which began with an initial invitation sent on February 4, 2020. The ATP panelists chosen for the initial soft launch were known responders who had completed previous ATP surveys within one day of receiving their invitation. All remaining panelists were included in the full launch and were sent an invitation on February 5, 2020.

All panelists with an email address received an email invitation and up to two email reminders if they did not respond to the survey. All ATP panelists that consented to SMS messages received an SMS invitation and up to two SMS reminders.

ATP panelists who completed their survey in Spanish and all converted panelists who had received a tablet were offered a $15 post-paid incentive for completing the Wave 61 survey. Panelists who were age 18-29, African American, with high school education or less, were not registered to vote, or reported being Hispanic but taking the survey in English in the RDD recruitment survey were offered a $7 post-paid incentive for completing the Wave 61 survey. All other panelists who completed the survey were offered a $5 post-paid incentive. Respondents could choose to receive the post-paid incentive in the form of a check or a gift code to or could choose to decline the incentive. The differential incentive amounts were designed to increase panel survey participation among groups that traditionally have low survey response propensities.

Sampling Procedures

The overall target population for Wave 61 was non-institutionalized persons age 18 and over, living in the US, including Alaska and Hawaii. The sample consisted of 7,855 ATP members.

Prior to Wave 61, ATP panelists were recruited from three large (n=10,013, n=6,004 and n=3,905), national, overlapping, dual-frame landline and cellphone random-digit-dial (RDD) surveys and two (n=9,396 and n=4,7001) national address-based sample (ABS) survey conducted for the Pew Research Center. At the end of each recruitment survey, respondents were invited to join the panel. The first recruitment was conducted from Jan. 23 to March 16, 2014, the second recruitment was conducted from Aug. 27 to Oct. 4, 2015, the third recruitment was conducted from April 25 to June 4, 2017, the fourth recruitment was conducted from Aug. 8, 2018 to Oct. 31, 2018, and the fifth recruitment was conducted Aug. 19, 2019 to Oct. 25, 2019, all in English and Spanish. Sample for the RDD surveys was obtained from SSI and sample for the ABS survey was obtained by MSG. The RDD recruitment surveys were conducted by Abt SRBI.

The first 20 waves of the ATP featured a simultaneous mixed-mode design, in which panelists who used the internet and provided an email address participated via self-administered web survey, and adults who did not use the internet (or did but did not provide an email address) participated via a mail survey (Waves three through four and six through 20) or computer-assisted telephone interviewing (CATI, Waves one and five only). Wave 18 was the first wave where a subset of the non-internet panelists was converted to web mode. The conversion process involved calling all active mail mode respondents (n=616) and asking them to report their internet and device status and then asking them to convert to web. Those who already had the means for taking web surveys were simply asked to convert. Those without the means for taking web surveys (no device and/or internet access) were offered an internet-connected tablet computer at no cost to the panelist. Tablets were shipped to the panelists who accepted, and they were given a follow-up call to ensure they understood how to use the tablet to access the ATP surveys through a pre-installed mobile panel application.

Wave 21 was the first wave conducted only in web mode. However, the conversion effort was ongoing through Wave 26. By Wave 26, 238 of 616 (39 percent) mail panelists had converted to web. Of these, 197 received tablets and 41 made the mode switch using their own devices.

Principal Investigators

Pew Research Center

Related Publications

Pew Research Center, March 12, 2020, 'White Evangelicals See Trump as Fighting for Their Beliefs, Though Many Have Mixed Feelings About His Personal Conduct".

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