You want someone to help you make a poster?
Answer:
Socially desirable responding.
Explanation:
In social science research, social desirability bias is a type of response bias that is the tendency of survey respondents to answer questions in a manner that will be viewed favorably by others. It can take the form of over-reporting "good behavior" or under-reporting "bad," or undesirable behavior. The tendency poses a serious problem with conducting research with self-reports. This bias interferes with the interpretation of average tendencies as well as individual differences.
As both observers have been struck by bicycles, their response might be biased.
Answer:B. interstate commerce.
Explanation: Interstate commerce is the trade and commercial activities taking place between or connecting individuals living in two states. The interstate commerce is regulated by the COMMERCE CLAUSE OF THE UNITED STATES OF AMERICA. The commerce clause is contained in Article 1, Section 8, Clause 3 of the U.S. Constitution, which gives Congress the power “to regulate commerce with foreign nations, and among the several states, and with the Indian. This clause has empowered to Congress to regulate commercial activities between the states and individuals etc.