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[MidB] Emir is using discrete-trial teaching to teach his client matching-to-sample tasks. He delivers a favorite snack after an average of ten correct responses. Based on this program type, how should Emir assess his client’s preferences?

How much faster does 79Br2 effuse than 81Br2?

What is the rms speed (m/s) of NO2 at 28.4 °C?

[MidB] Mary spreads several toys and activities across an otherwise empty room. She brings her client, Kash, into the room and records how long he engages with each item. She records that he played with the cars for 3 minutes, played with the action figures for 1 minute, and played with the light-up balls for 12 minutes. Mary creates a hierarchy of preferences based on the duration of engagement. What type of preference assessment method is Mary using?

The pressure exerted by 1.0 mol of gas in a 13 L flask at 22 °C is ________ kPa.

[MidA] Leanne oversees a group of high schoolers serving as counselors at a summer camp. One counselor typically avoids setting up the craft stations at the beginning of the day but often helps with other setup tasks. Leanne asks the counselor to help set up the music and exercise stations before asking her to set up the craft stations. Which of the following teaching strategies is Leanne using with the counselor?

A gas in a 57.1 L pressure container at 24.9 °C and 889.8 mm Hg contains ________ moles.

[MidA] Aaron, a behavior analyst, is teaching Billy to identify bath items while in the bathroom. Aaron says, “Show me the paper towels,” but Billy points to the automatic hand dryer. Aaron blocks Billy’s response, waits a couple seconds, re-presents the discriminative stimulus (SD), and immediately uses a full prompt to select the paper towels. Then he throws in a distractor trial, such as, “Show me your hands” or says, “Say, washing.” Next, Aaron re-presents the original SD (test trial) “Show me the paper towels.” Which type of error correction strategy is Aaron using?

[MidA] A parent increases utensil usage during mealtimes by providing praise every time their child consumes a bite of food from a spoon or fork. The parent would like to maintain their child’s current rate of utensil usage. Given this scenario, which simple schedule of reinforcement would be best for the parent to use?

[MidA] Colette, a behavior analyst, is teaching Michael to identify items found in the kitchen. Colette says, “Find the freezer,” but Michael starts to reach for the refrigerator door. Colette blocks the response, waits a couple seconds, re-presents the discriminative stimulus (SD), and immediately uses a full prompt to touch the freezer door. Then she presents a distractor trial, such as, “What day is today?” Next, she re-presents the original SD (test trial), “Find the freezer.” Which type of error correction strategy is Colette using?