There is a picture of a camera at the bottom left corner
(If your on iPad)
The answer is a frequency, intensity, time, and type
Answer: d. double-blind
Explanation:
A double blind study can be define as the study in which both the researcher and participant do not know which participant is receiving a particular treatment. This method is useful as it prevents the bias in the results of the experiment.
The given situation is the example of double-blind study. Here, the participants as well as the researcher do not know which group of subject are receiving bacteria in the yogurt and which group is not receiving.
Anaerobic
Hope this helps :D
Cracked or chapped hands and lips
