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[U4Q] A BCBA is working with a client who engages in high rates of verbal aggression in the form of name-calling. The BCBA wants to compare a response cost procedure with a time-out procedure to determine which is more effective at decreasing his client’s name-calling behavior. This is an example of which type of analysis?

[U4Q] Wade implements a behavior contract with his daughter Gabby to increase the number of chores she completes. The contract states that every day Gabby completes her chores, she will earn the privilege of staying up 60 minutes later to watch her favorite TV shows. Last night Gabby’s brother let her borrow his cell phone before going to bed. Gabby stayed up for 2.5 hours last night on social media and now is very tired. Which of the following is most likely to be an extraneous variable in this scenario?

[U4Q] For which of the following baseline graphs would it be most appropriate to introduce the independent variable for a behavior targeted for decrease? 

[U4Q] Delaney, a BCBA, provides consulting services for a college football team. The team has just started their season, and the players are breaking in their new shoes and equipment. Delaney implements a coaching intervention to improve catches. During games, Delaney records the number of correct catches by following the calls from the referee. However, there were three instances during a game when the referee was looking in a different direction and missed three correct catches. Which part of this scenario is an example of instrumentation threatening internal validity?

[U2Q] A supervisor needs to conduct his bi-weekly supervision session and provide feedback to his BCaBA. The supervisor records the time between each of the BCaBA’s naturalistic learning trials. Which continuous recording method did the supervisor use?

[U2Q] Casey is consulting at a customer service center. His client asks him to decrease the time it takes employees to answer the office phone after it rings. Which of the following continuous recording methods would be best for Casey to use?

[U4Q] Shannon is structuring her classroom to increase student participation. She does this by providing the student who participates the most in her class with a homework pass that excuses them from one night’s worth of homework assignments. Shannon implements the plan during the same week the school celebrates its seventy-fifth anniversary. As part of the celebration, school administrators instruct the educators not to give their students homework for the week. During the same week, Shannon tests different ways to measure student participation. Which of the following is most likely to be an extraneous variable in this scenario?

[U4Q] Alicia, a BCBA, provides consulting services for a musician to help him improve his chord accuracy when playing the guitar. Alicia uses a handheld clicker to measure the number of times the musician presses incorrect chords. She then uses a modeling procedure to determine its effect on the number of times the musician presses incorrect chords. The musician suspects the new strings that he recently added to his guitar are responsible for the change in his performance. However, Alicia believes the handheld clicker she has been using is not counting all of the times she presses the device and that this could be impacting the count number. Which of the following is the dependent variable in this scenario?

[U2Q] Sydney is consulting at a call center. Her client asks her to decrease the amount of time it takes employees to answer the office phone after it rings. Which of the following continuous recording methods would be best for Sydney to use?

[U4Q] Barney is receiving behavioral services to reduce his instances of unusual speech and inappropriate comments. Barney’s treatment team starts to withhold attention for all inappropriate comments and instances of unusual speech. At the same time, Barney’s physician prescribes him an antipsychotic medication that is designed to improve thinking, mood, and behavior. This is most likely an example of which threat to internal validity?