div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader043vdocumentssitereader043viewer2022032714623c3084edf400781c098e67html5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: Exhibit 31: Example of Sampling Form 1 - Boston College src=https:reader043vdocumentssitereader043viewer2022032714623c3084edf400781c098e67html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divpCHAPTER 3: SAMPLE DESIGN IN TIMSS 2015 METHODS AND PROCEDURES IN TIMSS 2015 35p pInternational Study CenterLynch School of Education Boston Collegep pExhibit 31: Example of Sampling Form 1pdiv