Argument about experiment

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Reference no: EM133372658

Questions

1. Which of the following argument about experiment is INCORRECT?

a) Experiment can help identify causal relationship.

b) Experiment needs a control and treatment groups (there could be more than 2 groups).

c) Experiment can only identify correlations.

d) Experiment needs to randomly assign people into different treatments.

2. Which of the following method CAN'T detect identifications?

a) Instrument Variable

b) Difference-in-Difference

c) Regression Discontinuity

d) OLS

3. Which of the following is NOT an error control design?

a) Use the observation to subtract error

b) Randomizing students into different treatments

c) Keep the environment constant across the treatments

d) Keep wearing the same color of T-shirts when conducting experiments

Reference no: EM133372658

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