2019年母亲节和父亲节调查 BACKGROUND What the world thinks This spreadsheet contains survey data olected and analysed by YouGov plc. No infomation contained within this spre adsheet may be pubished without the consent of YouGov Plc and the clent named on the frwnt cover. Methodalogy： This survey has been conducted using an online interview administered to members af the YouGow Plc panel of 1.2 illion indviduals wha have agreed to take part in surveys. Emails are sent to panelists selected at random from the base sample. The e-mail invits them to take part in a survey and pravides a generic survey link. Once a panel member dicks an the link they are sent to the survey that they are mast required for， according to the sample definition and quotas. （The sample definition could be "US adult population" or a subset such as "US adult females"）. Invitations to surveys don expire and respondents can be sent to any avalable suvey. The esponding sample is weighted to the profie af the sample definition to provide a representative reparting sample. The proflle is nomally derived from census data or. t not available from the census， trom industry accepted data. YouGow pk make every effortf to provide representative infomnation. Al results ars based on a sample and are therefore subject ta statisical emors nomaly associated with sample-based infomation. 【更多详情，请下载：2019年母亲节和父亲节调查】