Randomization Based on Covariates Is

question 21

Multiple Choice

Randomization based on covariates is

• A)not of practical importance since individuals are hardly ever assigned in this fashion.
• B)dependent on the covariances of the error term (serial correlation).
• C)a randomization in which the probability of assignment to the treatment group depends on one of more observable variables W.
• D)eliminates the omitted variable bias when using the difference estimator based on Yi = β0 + β1Xi + ui,where Y is the outcome variable and X is the treatment indicator.

Understand the effects of intergroup attributions and their relation to stereotypes.

Recognize and understand self-handicapping strategies and their impact on personal outcomes.

Understand the concept of conspiracy theories and their characteristics.

Identify biases and errors in social cognition and group perception.

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