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Question 1 (2.5 points) Which of the following is an observational study Case series Randomized controlled trial Cohort study
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Answer #1

observational study specificaly is the study in which the individuals are usually observed for certain type of the outcomes. Specifically no attempt is made by the researcher to influence the outcome of that specific study. these kind of observation study will help to risks as well as the condition in the group

a)case series as well as the case study is research method is usually based on the in-depth investigation specificaly of a single event or of a group . This kind of the Case studies can be the descriptive or it can explanatory but usually it is not an observational study .....so this wrong

b)In the randamized controlled study they willl usual seek to help to measure as well as compare those outcomes specificaly after the participants usually will receive the interventions in the group . This is not an observational study ....this is also wrong

c)Cohort studies specificaly can be said as observational or it can be called as the nonexperimental studies,. The type of cohort study will not involve the general manipulating strategies . Cohort study design specificaly is a study design where one or more samples study are done to  find which of the initial participants had the risk factors that is the exposure characteristics how they are associated with the outcome . So it is the correct answer

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