Juan Is So Afraid of Germs That He Wears Gloves

question 117

Multiple Choice

Juan is so afraid of germs that he wears gloves when opening doors. He is encouraged by his therapist to imitate a person in a video who demonstrates opening a door, step-by-step, without wearing gloves. Which technique is his therapist using?

• A) systematic desensitization
• B) token economy
• C) participant modeling
• D) extinction

Interpret the difference-in-difference estimate as a method for evaluating interventions.

Exercise caution in interpreting reported sales and profit figures, recognizing potential biases.

Understand the difference-in-difference approach and its application in comparing performance metrics across different conditions or time periods.

Identify the considerations of representativeness and leakage in experimental design and their implications.

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Definitions:

Sample Size

The number of observations or data points collected in a sample from a population, used for making estimations or testing hypotheses.

Finite Population Correction Factor

An adjustment applied in statistical calculations to account for the effect of sampling from a finite population, as opposed to an infinite one.

Sample Size

The number of observations or data points selected from a population for the purpose of statistical analysis.

Confidence Interval

A stretch of values, resulting from sample analytics, projected to envelop the value of a hidden attribute in a population.