Answer:
The researcher is confounding the sweetness of the cereal and the colour of the cereal.
Explanation:
Based on the results, it would be unclear if the subjects prefer the cereal because of the colour or because of the sweetness --it is only the latter the researcher wants to know about. This would be the dependent variable.
To fix this, the researcher should use the same colour for both sweetened and unsweetened cereal and have each preschooler try both. It is possible to colect data through observation (look at the children's reactions) or simply asking for their opinions at the end of the experiment.
I think is found near the Philippines.
1. Embargo - An official ban or trade or other commercial activity with a particular country.
2. Tariff - Tax on imports.
3. Economic growth - The ability of the economy to increase the production of goods and services.
4. Specialization - Workers concentrate on producing those goods and services for which they have a competitive advantage.
5. Currency exchange rate - The price of one country's currency expressed in terms of another country's currency.
6. Quota - Limitation on imports.
7. Voluntary free trade - An ideal feature of a global economy; it is when each party involved in a trade expects to gain from the trade.
8. Trade barriers - Restrictions placed on trade, for example tariffs and quotas.