What is a case-control design? a) A study in which the ...

[Garrulous]

What is a case-control design?
 
  a) A study in which the investigator forms groups of individuals who vary on the characteristic of interest and studies current or past features of that group
  b) A study in which the investigator forms groups of individuals and manipulates an independent variable between those groups to measure its effects
  c) A study in which the investigator examines one group of individuals in depth, over time
  d) A study in which the investigator examines the role of group membership in the type of treatment individuals chose to engage in

Question 2

What is the role of the experimenter in observational research?
 
  a) To manipulate the independent variables
  b) To conduct psychological interventions
  c) To experimentally control for extraneous factors
  d) To assess different characteristics and their associations

[nothere]

Answer to Question 1

Correct Answer: a

Answer to Question 2

Correct Answer: d

[Garrulous]

Thanks for the timely response, appreciate it

[abro1885]

Great answer, keep it coming