yes

no

could not say

There is not enough information to answer this question

yes

no

could not say

There is not enough information to answer this question

yes

no

could not say

There is not enough information to answer this question

the scientist be objective

the scientist use precision equipment.

only correct theories are tested.

only incorrect theories are tested.

A lawyer employed by Renault addressing the impact of air bags on passenger safety.

An economist permanently employed at a leading university analysing the impact of bank regulations on lending to small businesses.

An economist employed by the Trades Union Congress doing research on the impact of trade policy on workers’ wages.

A radio talk show host collecting data from listeners on how capital markets respond to taxation.