You Are Watching a Rat Pressing a Lever in a Skinner

question 44

Multiple Choice

You are watching a rat pressing a lever in a Skinner box to obtain food pellets.The rat pauses for a long time after each food pellet is delivered,but slowly increases its rate of lever pressing as more time elapses.Which reinforcement schedule is likely in place in this example

• A) variable-interval 
• B) fixed-interval 
• C) fixed-ratio 
• D) variable-ratio

---

Definitions:

Comorbidity

The presence of one or more additional diseases or disorders co-occurring with a primary disease or disorder.

Dimensional Approach

A method of categorizing characteristics on a continuum rather than as discrete states or types.

Bimodal Distribution

A statistical distribution with two different peaks or modes, indicating the presence of two distinct groups within the dataset.

Chest Pain

Chest pain can be a symptom of a wide range of health issues, from minor problems to serious conditions, such as heart attack or angina.