Answer: The correct option is option "b. Consistent; Existential
Explanation: Renée Baillargeon and her colleagues, studied the sense in children and infant, and how their understand the environment. They discovered that infant as young as three to four months wants a object to be consistence, this explains why infant of three to four months cry most when they can't see their mother, and will always want to be carried by their mother, this is because they have seen their mother as an object which should not be moved from their sight.
They also observed the infant of three to four months cry when their can't see their mother because, they believe their mother is still in existence even though it is hidden from they sight, so they cry to call back her attention to come back to sight.
Its one of the answers in front of you and I think its C
Excavating means digging a hole or channel
I hope I helped :)
The different schedules of reinforcement that the question is asking about are: Fixed ratio, f<span>ixed interval, variable ratio and variable interval.
Those are the four different intervals in conditioning that are usually mentioned.
Those which are "fixed" will be someohow regular, but we can see here that this is not the case here: she cannot expect some regularity in her acceptance rate, as every decision is independent of the other magazine's decisions.
Now it will be variable ratio - the more she submits, the bigger the chance, but at an unpredictable ratio. It won't be variable interval, since time is not relevant here, only the more
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