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.
Answer:
A. is the right answerdbebwbwbwbwjwjdjdbdbe. d dbdjddj
Answer:
The main difference between the controllable and uncontrollable risk factors are that- controllable factors are precautions that we can take to prevent diseases or harms and uncontrollable factors are the ones that we don’t have any control over.
Explanation:
The uncontrollable risk factors cannot be controlled by humans or they do not have that power over it to prevent ourselves from any kind of harm or diseases. Controllable factors, however, can be controlled by us or it involves the steps we take to prevent the risks.
Two examples of controllable risk factors are-
i) Precautions that we take to prevent strokes, like by quitting smoking, having a healthy diet etc.
ii) maintaining the traffic rules to prevent accidents.
Examples of uncontrollable factors are -
i) ageing, and
ii) family history of a disease.
