anchor.diff:  
   If you have any questions, contact: delphi-admin-survey-fb@lists.andrew.cmu.edu
   
  -You must be 18 years or older and currently located in the U.S. to take this survey. Are you 18 years or older and currently located in the U.S.?",NA,"{""1"":""Yes"",""2"":""No""}",Multiple choice,none,none,all
  -10,S1,NA,consent,"This voluntary survey is part of a research study led by the Delphi group at Carnegie Mellon University. Even if you are healthy, your responses may contribute to a better public health understanding of the spread of the coronavirus pandemic and its effects on public health and well-being. This may help improve our local and national responses to the pandemic and our understanding of how it has affected society.
  +You must be 18 years or older and currently located in the U.S. to take this survey. Are you 18 years or older and currently located in the U.S.?",NA,"{""1"":""Yes"",""2"":""No""}","Multiple choice","none","none","all"
  +10,"S1",NA,"consent","This voluntary survey is part of a research study led by the Delphi group at Carnegie Mellon University. Even if you are healthy, your responses may contribute to a better public health understanding of the spread of the coronavirus pandemic and its effects on public health and well-being. This may help improve our local and national responses to the pandemic and our understanding of how it has affected society.
   
   This survey is intended to take roughly 10 minutes to complete. We encourage you to complete the survey each time you are invited, even if you have participated before. Completing the survey again will help us understand how the situation is changing.
   
  
positive.code: 
  If you have any questions, contact: delphi-admin-survey-fb@lists.andrew.cmu.edu
  
  You must be 18 years or older and currently located in the U.S. to take this survey. Are you 18 years or older and currently located in the U.S.?",NA,"{""1"":""Yes"",""2"":""No""}",Multiple choice,none,none,all
  11,S1,NA,consent,"This voluntary survey is part of a research study led by the Delphi group at Carnegie Mellon University. Even if you are healthy, your responses may contribute to a better public health understanding of the spread of the coronavirus pandemic and its effects on public health and well-being. This may help improve our local and national responses to the pandemic and our understanding of how it has affected society.This survey is intended to take roughly 10 minutes to complete. We encourage you to complete the survey each time you are invited, even if you have participated before. Completing the survey again will help us understand how the situation is changing.The survey questions do not request any personally identifiable information about you and your answers to all questions will remain confidential. This study is not conducted by Facebook and no individual responses will be shared back to Facebook. The only information we receive from Facebook is your language preference, a random ID number, and a statistical number to help ensure the results are representative for your area. Additionally, when asked to take the survey again, responses cannot be linked back to your previous survey responses.The de-identified results of this survey may be used for our future studies or shared with other investigators for their research studies. Results published by us and other researchers will be in aggregate and will not identify individual participants or their responses.<brParticipation poses no risk greater than those encountered during other online activities and no compensation is offered.If you have any questions, contact: delphi-admin-survey-fb@lists.andrew.cmu.eduYou must be 18 years or older and currently located in the U.S. to take this survey. Are you 18 years or older and currently located in the U.S.?",NA,"{""1"":""Yes"",""2"":""No""}",Multiple choice,none,none,all
  12.5,S1,NA,consent,"This voluntary survey is part of a research study led by the Delphi group at Carnegie Mellon University. Even if you are healthy, your responses may contribute to a better public health understanding of the spread of the coronavirus pandemic and its effects on public health and well-being. This may help improve our local and national responses to the pandemic and our understanding of how it has affected society.
  
  This survey is intended to take roughly 10 minutes to complete. We encourage you to complete the survey each time you are invited, even if you have participated before. Completing the survey again will help us understand how the situation is changing.
  
  
negative.code: 
  If you have any questions, contact: delphi-admin-survey-fb@lists.andrew.cmu.edu
  
  You must be 18 years or older and currently located in the U.S. to take this survey. Are you 18 years or older and currently located in the U.S.?",NA,"{""1"":""Yes"",""2"":""No""}","Multiple choice","none","none","all"
  8,"S1",NA,"consent","This voluntary survey is part of a research study led by the Delphi group at Carnegie Mellon University. Even if you are healthy, your responses may contribute to a better public health understanding of the spread of the coronavirus pandemic and its effects on public health and well-being. This may help improve our local and national responses to the pandemic and our understanding of how it has affected society.
  
  This survey is intended to take roughly 10 minutes to complete. We encourage you to complete the survey each time you are invited, even if you have participated before. Completing the survey again will help us understand how the situation is changing.
  
  