Final answer:
The statement about the U.S. having higher voting rates is false; countries like Sweden often have higher participation. Experiments can be done on humans, provided ethical guidelines are followed. Larger sample sizes in scientific research are generally preferable.
Step-by-step explanation:
The statement 'Voting rates are higher in the United States than in most democratic industrialized countries, including Sweden and South Korea' is False. The United States generally has lower voter turnout compared to many other democratic industrialized countries. For example, countries like Sweden often have higher voting rates due to various factors such as different electoral systems, compulsory voting, and political engagement.
As for the statement about experiments on humans, it is also False. Experiments can be done on humans but are subject to ethical considerations and regulatory oversight to ensure safety and informed consent.
Regarding the preferability of larger sample sizes in scientific experiments which is indeed True, having a larger sample size typically improves the reliability of the results and reduces the margin of error, making the findings more representative of the entire population.