QID 402269:
Tagging two notes on this one, as the answer option requires both eliminate the competing answer options (also trying not to do all that paragraph spacing I do so often). :-) ----Question stem states that children are first shown a video of peers exhibiting a certain behavior, and also given stickers, before being trained to do it themselves. It asks "this procedure utilizes..." Requires the recognition that this involves both observational learning as well as secondary reinforcement, specifically. Other answer options mis-state the kind of learning, the style of reinforcement, or both.
Tag added to 1555207683914 about observational learning as a concept rather than theory