Answer: d. Neither the researchers nor the experimental subjects know whether the latter have been assigned to an experimental group or a control group.
Explanation:
A Double-blind design refers to a kind of experimental procedure aimed to reduce the possibility of any subjective biases on both the researchers and the participants. Mostly used in medical trials of drugs, double-blind experiments have participants randomly selected to be part of either the control or the experimental group. There´s a third party in charge of providing the random selection and encoding the information until the data collection is completed.
I chose letter b.
When you plan for long-term sustainability, you want to make sure that
everything would last for a long time.
These plans would make improvements that people can sustain in the long
run that would benefit the inhabitants.
Answer:
A nation imports other cultures with imported goods
Explanation:
People also connect to their cultural or ethnic group through similar food patterns. Immigrants often use food as a means of retaining their cultural identity. People from different cultural backgrounds eat different foods. The ingredients, methods of preparation, preservation techniques, and types of food eaten at different meals vary among cultures.
Answer:
What is the question?
Explanation:
You didn't ask a question, you just said to work out an agreement.