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The correlation between variable X and variable Y is zero

Psychology

The correlation between variable X and variable Y is zero. What does that mean about the relationship between X and Y? It is very strong. It is strong When X increases, Y decreases. There is no relationship between X and Y. D Question 4 0.5 pts A set of learning scores "A" has a mean of 12 and a standard deviation of 3.41. Another set of learning scores "B" has a mean of 12 and a standard deviation of 1.10: The scores in set A are more dispersed around the mean than the scores in set B. The scores in set A are less dispersed around the mean than the scores in set B. The scores in set A are equally dispersed around the mean than the scores in set B. It is impossible to conclude if scores are more dispersed around the mean in one set compared to the other set. O D Question 5 0.5 pts You cat pizza all the time! The pizza delivery man always ring your door bell before bringing a freshly baked pizza and now you have noticed that you salivate upon hearing your door bell! How did you learn that association? It is an example of classical conditioning, It is an example of operant conditioning, It is learned by trial and error. Question 7 0.5 pts Heuristics: are not shortcuts to problem solving. are slower than algorithms. always guarantee a solution. do not guarantee a solution, but are valuable shortcuts to problem solving. Question 8 0.5 pts The purpose of an experiment is to: Describe and measure behavior under a wide variety of uncontrolled conditions. Choose subjects carefully, observe their behavior, and report the findings O Vary one factor, keep other aspects of the situation constant, and measure the effect. Observe behavior in an environment that is as natural as possible, 0.5 pts

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