{"id":29966,"date":"2015-04-15T09:52:21","date_gmt":"2015-04-15T14:52:21","guid":{"rendered":"https:\/\/alpha.pewresearch.org\/pewresearch-org\/2015\/04\/15\/methods-in-detail-19\/"},"modified":"2024-04-14T00:10:30","modified_gmt":"2024-04-14T05:10:30","slug":"methods-in-detail-19","status":"publish","type":"post","link":"https:\/\/alpha.pewresearch.org\/pewresearch-org\/global\/2015\/04\/15\/methods-in-detail-19\/","title":{"rendered":"Methods in Detail"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><span style=\"text-decoration: underline\">About the 2014 Spring Pew Global Attitudes Survey<\/span><\/p>\n\n<p class=\"wp-block-paragraph\">Results for the survey are based on telephone and face-to-face interviews conducted under the direction of Princeton Survey Research Associates International. Survey results are based on national samples. For further details on sample designs, see below.<\/p>\n\n<p class=\"wp-block-paragraph\">The descriptions below show the margin of sampling error based on all interviews conducted in that country. For results based on the full sample in a given country, one can say with 95% confidence that the error attributable to sampling and other random effects is plus or minus the margin of error. In addition to sampling error, one should bear in mind that question wording and practical difficulties in conducting surveys can introduce error or bias into the findings of opinion polls.<\/p>\n\n<table class=\"left-aligned\">\n<tbody>\n<tr>\n<td>Country:<\/td>\n<td><strong>Ghana<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Sample design:<\/td>\n<td>Multi-stage cluster sample stratified by region and settlement size<\/td>\n<\/tr>\n<tr>\n<td>Mode:<\/td>\n<td>Face-to-face adults 18 plus<\/td>\n<\/tr>\n<tr>\n<td>Languages:<\/td>\n<td>Akan (Twi), English, Dagbani, Ewe<\/td>\n<\/tr>\n<tr>\n<td>Fieldwork dates:<\/td>\n<td>May 5 \u2013 May 31, 2014<\/td>\n<\/tr>\n<tr>\n<td>Sample size:<\/td>\n<td>1,000<\/td>\n<\/tr>\n<tr>\n<td>Margin of error:<\/td>\n<td>+\/-3.8 percentage points<\/td>\n<\/tr>\n<tr>\n<td>Representative:<\/td>\n<td>Adult population<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><\/td>\n<\/tr>\n<tr>\n<td>Country:<\/td>\n<td><strong>Kenya<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Sample design:<\/td>\n<td>Multi-stage cluster sample stratified by province and settlement size<\/td>\n<\/tr>\n<tr>\n<td>Mode:<\/td>\n<td>Face-to-face adults 18 plus<\/td>\n<\/tr>\n<tr>\n<td>Languages:<\/td>\n<td>Kiswahili, English<\/td>\n<\/tr>\n<tr>\n<td>Fieldwork dates:<\/td>\n<td>April 18 \u2013 April 28, 2014<\/td>\n<\/tr>\n<tr>\n<td>Sample size:<\/td>\n<td>1,015<\/td>\n<\/tr>\n<tr>\n<td>Margin of error:<\/td>\n<td>+\/-4.0 percentage points<\/td>\n<\/tr>\n<tr>\n<td>Representative:<\/td>\n<td>Adult population<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><\/td>\n<\/tr>\n<tr>\n<td>Country:<\/td>\n<td><strong>Nigeria<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Sample design:<\/td>\n<td>Multi-stage cluster sample stratified by region and urbanity<\/td>\n<\/tr>\n<tr>\n<td>Mode:<\/td>\n<td>Face-to-face adults 18 plus<\/td>\n<\/tr>\n<tr>\n<td>Languages:<\/td>\n<td>English, Hausa, Yoruba, Igbo<\/td>\n<\/tr>\n<tr>\n<td>Fieldwork dates:<\/td>\n<td>April 11 \u2013 May 25, 2014<\/td>\n<\/tr>\n<tr>\n<td>Sample size:<\/td>\n<td>1,014<\/td>\n<\/tr>\n<tr>\n<td>Margin of error:<\/td>\n<td>+\/-4.3 percentage points<\/td>\n<\/tr>\n<tr>\n<td>Representative:<\/td>\n<td>Adult population (excluding Adamawa, Borno, Cross River, Jigawa, Yobe, and some areas in Taraba, or roughly 12% of the population)<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><\/td>\n<\/tr>\n<tr>\n<td>Country:<\/td>\n<td><strong>Senegal<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Sample design:<\/td>\n<td>Multi-stage cluster sample stratified by region and urbanity<\/td>\n<\/tr>\n<tr>\n<td>Mode:<\/td>\n<td>Face-to-face adults 18 plus<\/td>\n<\/tr>\n<tr>\n<td>Languages:<\/td>\n<td>Wolof, French<\/td>\n<\/tr>\n<tr>\n<td>Fieldwork dates:<\/td>\n<td>April 17 \u2013 May 2, 2014<\/td>\n<\/tr>\n<tr>\n<td>Sample size:<\/td>\n<td>1,000<\/td>\n<\/tr>\n<tr>\n<td>Margin of error:<\/td>\n<td>+\/-3.7 percentage points<\/td>\n<\/tr>\n<tr>\n<td>Representative:<\/td>\n<td>Adult population<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><\/td>\n<\/tr>\n<tr>\n<td>Country:<\/td>\n<td><strong>South Africa<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Sample design:<\/td>\n<td>Multi-stage cluster sample stratified by metropolitan area, province and urbanity<\/td>\n<\/tr>\n<tr>\n<td>Mode:<\/td>\n<td>Face-to-face adults 18 plus<\/td>\n<\/tr>\n<tr>\n<td>Languages:<\/td>\n<td>English, Zulu, Xhosa, South Sotho, Afrikaans, North Sotho<\/td>\n<\/tr>\n<tr>\n<td>Fieldwork dates:<\/td>\n<td>May 18 \u2013 June 5, 2014<\/td>\n<\/tr>\n<tr>\n<td>Sample size:<\/td>\n<td>1,000<\/td>\n<\/tr>\n<tr>\n<td>Margin of error:<\/td>\n<td>+\/-3.5 percentage points<\/td>\n<\/tr>\n<tr>\n<td>Representative:<\/td>\n<td>Adult population<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><\/td>\n<\/tr>\n<tr>\n<td>Country:<\/td>\n<td><strong>Tanzania<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Sample design:<\/td>\n<td>Multi-stage cluster sample stratified by region and urbanity<\/td>\n<\/tr>\n<tr>\n<td>Mode:<\/td>\n<td>Face-to-face adults 18 plus<\/td>\n<\/tr>\n<tr>\n<td>Languages:<\/td>\n<td>Kiswahili<\/td>\n<\/tr>\n<tr>\n<td>Fieldwork dates:<\/td>\n<td>April 18 \u2013 May 7, 2014<\/td>\n<\/tr>\n<tr>\n<td>Sample size:<\/td>\n<td>1,016<\/td>\n<\/tr>\n<tr>\n<td>Margin of error:<\/td>\n<td>+\/-4.0 percentage points<\/td>\n<\/tr>\n<tr>\n<td>Representative:<\/td>\n<td>Adult population (excluding Zanzibar, or about 3% of the population)<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><\/td>\n<\/tr>\n<tr>\n<td>Country:<\/td>\n<td><strong>Uganda<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Sample design:<\/td>\n<td>Multi-stage cluster sample stratified by region and urbanity<\/td>\n<\/tr>\n<tr>\n<td>Mode:<\/td>\n<td>Face-to-face adults 18 plus<\/td>\n<\/tr>\n<tr>\n<td>Languages:<\/td>\n<td>Luganda, English, Runyankole\/Rukiga, Luo, Runyoro\/Rutoro, Ateso, Lugbara<\/td>\n<\/tr>\n<tr>\n<td>Fieldwork dates:<\/td>\n<td>April 25 \u2013 May 9, 2014<\/td>\n<\/tr>\n<tr>\n<td>Sample size:<\/td>\n<td>1,007<\/td>\n<\/tr>\n<tr>\n<td>Margin of error:<\/td>\n<td>+\/-3.9 percentage points<\/td>\n<\/tr>\n<tr>\n<td>Representative:<\/td>\n<td>Adult population<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><\/td>\n<\/tr>\n<tr>\n<td>Country:<\/td>\n<td><strong>United States<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Sample design:<\/td>\n<td>Random Digit Dial (RDD) probability sample of landline and cell phone households<\/td>\n<\/tr>\n<tr>\n<td>Mode:<\/td>\n<td>Telephone adults 18 plus<\/td>\n<\/tr>\n<tr>\n<td>Languages:<\/td>\n<td>English, Spanish<\/td>\n<\/tr>\n<tr>\n<td>Fieldwork dates:<\/td>\n<td>April 22 \u2013 May 11, 2014<\/td>\n<\/tr>\n<tr>\n<td>Sample size:<\/td>\n<td>1,002<\/td>\n<\/tr>\n<tr>\n<td>Margin of error:<\/td>\n<td>+\/-3.5 percentage points<\/td>\n<\/tr>\n<tr>\n<td>Representative:<\/td>\n<td>Telephone households with English or Spanish speakers (roughly 96% of U.S. households)<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>About the 2014 Spring Pew Global Attitudes Survey Results for the survey are based on telephone and face-to-face interviews conducted under the direction of Princeton Survey Research Associates International. Survey results are based on national samples. For further details on sample designs, see below. The descriptions below show the margin of sampling error based on 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