The heat conductivity of a fresh snow cover is the same as the heat conductivity of an old snow cover.

In response to a temperature gradient, heat flows from where it is warmer to where it is colder. This behavior illustrates

Still (or calm) air is a relatively ______ conductor of heat.

________ are internal representations of personally experienced events.

Ivan Pavlov studied the reflexive flow of saliva in dogs. He used meat powder or other food to trigger the salivation. It was later observed that the salivation in the dog was triggered when the dog saw its dog dish, even before the food was placed in it. In this instance, the dog dish is the ________.

Compared to Asians, Americans are much more likely to think that a person either has mathematical intelligence or doesn’t.

_______________ is a disorder in which depression occurs in the winter months.

If you are afraid or angry at the time of an event, you may remember that event best when you are once again in the same emotional state. This phenomenon is called

Explanations of animal behavior that rely solely on instinct would have difficulty interpreting the fact that mother chimpanzees show their young how to use stone tools to open nuts.

In the 1930s, the research of the British psychologist Sir Frederic Bartlett provided evidence to support the view that memory is