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Chapter 12 Flashcards | StudBud

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Chapter 12

10 terms·StudBud Administration·3 plays

Chapter 12 for #psych 322

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Questions 10

Answers

1
What is effect size?
How big the population size is
How big is the sample
The strength of association between variables
2
T/F: Descriptive statistics allow researchers to make precise statements about the data
True
False
3
T/F: Is gender an example of a categorical variable?
True
False
4
What is a histogram
Used for continuous variables
Used to make comparisons when both variables are categorical
5
Which of the following correlation coefficients indicates the strongest relationship?
- .89
+ .23
+.81
- .10
6
What is the effect size?
Numbers used to describe data to make precise statements
The difference between the highest and lowest scores
Index of the strength of the association between variables
7
What is inferential statistics?
Too difficult to understand
Making an educational guess about the statistics
Inferences from the sample data using probability
8
What kind of correlation does this graph have?
Positive correlation
No correlation
Negative correlation
9
Which of the following is NOT a way that variables are studied?
Comparing group means
Averaging
Correlating scores of individuals on two variables
Comparing group percentages
10
Which types of graphs are good for graphing frequency distributions?
Pie chart/Bar graph
Frequency polygons
Histograms
All of the above