placebo1 | According to the information provided above, which continent are humans generally believed to have migrated to after Asia? | placebo group 1 question |
placebo2 | According to the information provided above, why should Americans welcome immigrants? | They fill jobs that natives do not want |
placebo3 | According to the information provided above, how can the US government reduce healthcare costs? | Allow more competition |
placebo4 | According to the information provided above, how can allowing more housing benefit average Americans? | Reducing housing prices |
treatment1 | According to the information provided above, what are the costs of current US restrictions on legal immigration to American citizens? | Lost economic opportunities |
treatment2 | According to the information provided above, what are the costs of current US restrictions on legal immigration to American citizens? | Lost economic opportunities |
treatment3 | According to the information provided above, what are the costs of current US restrictions on legal immigration to American citizens? | Lost economic opportunities |
treatment4 | According to the information provided above, what are the costs of current US restrictions on legal immigration to American citizens? | Lost economic opportunities |
treatment5 | According to the information provided above, what are the costs of current US restrictions on legal immigration to American citizens? | Lost economic opportunities |
treatment_group | Treatment group indicator | Treatment group indicator |