Unit 1: Slideshows

Question 1

Positive Correlation

Answer 1

Two variables increase and decrease together

Question 2

Negative Correlation

Answer 2

Two variables move in opposite directions

Question 3

Strong Correlation

Answer 3

More predictable variables

Question 4

Weak correlation

Answer 4

Less predictive variables

Question 5

Scatterplot

Answer 5

A graph comprised of points generated by values of two variables. The slope of the points shows the direction, and the amount of scatter shows correlation

Question 6

Correlation coefficent

Answer 6

“R”, it always falls between +1 and -1, 0 means no correlation

Question 7

What are the three types of research?

Answer 7

Descriptive, Correlation, and Experiment

Question 8

Naturalistic Observation

Answer 8

Observation of human or animal behavior in the environment where it typically occurs

Question 9

Case Study Pros and Cons

Answer 9

Pros: useful when something is new, complex, or fairly rare
Cons: are unlikely to be representative of people in general