Sam and his siblings are modeling clay. He is the only child at the table who realizes that rolling a ball of clay into a thin line does not alter the amount of clay, and has been accused several times by his younger siblings of stealing their clay. Unlike the other children, Sam is in the __________ stage of development.

A BCBA supervisor, Dr. Lee, has been working with a new RBT, Sam, who recently began implementing a shaping procedure. Over several weeks, Sam repeatedly asks for feedback because he is unsure whether he is implementing the procedure correctly. Dr. Lee acknowledges Sam’s messages but has not observed him directly, has not collected performance data, and has not provided any formal feedback. During a session observation requested by the family, another BCBA notices that Sam is implementing the procedure incorrectly, which may be affecting client progress. When informed of this, Dr. Lee says, “Sam knows the basics — he’ll fix it on his own once he gets more experience,” and still does not schedule observation or provide feedback. Select the single BACB Ethics Code that best addresses the primary ethical issue described in the vignette.

The more the two pools of subjects are exposed to the same external environment, the      reliable are the causal inferences

Several enzymatic triglycerides methods measure the production or consumption of:____________.

Things that happen to me are a direct result of my actions.

The broad research goal of Prof. Brooks is to understand how and why people change over time, as they grow old. Which one of the following best describes Prof. Brooks’s specialization?

Which of the following describes how President Richard Nixon’s second term ended?

Match the element of mitigation planning with its description

Two species of salamanders can mate and produce offspring, but the hybrid offspring die shortly after hatching. This is an example of a ________ barrier. 

Code 5.08 Using Testimonials From Former Clients for Advertising outlines multiple steps behavior analysts must take to ethically request or use testimonials from former clients. Provide one required action and explain why it is important.