Introduction to research

Which of the following levels of evidence has the highest impact in research?

• Cohort studies

• Case-control studies

• Case reports

• Randomized controlled trials

“A study design used in initially investigating the association between a specific exposure and a disease of interest”
Which type of study best suits the description above?

• Cohort study

• Cross-sectional study

• Case-control study

• Clinical trials

Which of the following features of cohort study is correct?

• Contains a group of individuals that shares a common characteristic

• Estimates the prevalence of a disease in a population

• Involves a prospective study or retrospective study

• Tests efficacy of a new intervention or treatment on people

Which of the following features are involved in choosing a suitable topic for research?

• Takes personal interest and passion into account

• Explores current trends in medicine

• Considers feasibility of research topic

• Contribution to improvement advancement or understanding of a specific area of research

Which option is the best for identifying research gaps?

• Case-control studies

• Cross-sectional studies

• Cohort studies

• Systematic reviews

Which of the following search text will generate the most results in a database (e.g. PubMed)

• ("Covid-19") OR (asthma*)

• ("SARS COV-2" OR "Covid-19") AND ("asthma")

• ("Covid-19") AND ("asthma") AND ("respiratory disease")