What do data points that are closer to a straight line indicate on a scatterplot?
a. Positive correlation
b. Negative correlation
c. A strong relationship
d. A weak relationship
c. A strong relationship
On a scatterplot, when the data points are close to a straight line, it indicates a strong relationship.
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When one is depressed, it is best to combat it by "sleeping it off."
Indicate whether the statement is true or false
An example of a sensorimotor operation, as described by Case (1985), is ___
a. a child tasting a sour lemon and then splitting it out b. a child drawing a picture of a tiger that he or she saw at the zoo yesterday c. a child solving a math problem such as 4 + ? = 7 d. a child coordinating two representations of a number line
The typical American family still consists of a husband who works outside the home and a wife who stays home to care for their children
a. True b. False
Ebbinghaus tracked his rate of forgetting by monitoring how long it took him to relearn material he had perfected earlier, an technique he called the ______.
a. savings method b. practice effect c. test-retest effect d. percent memory loss