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Research Quiz 7 Flashcards | StudBud

Explore/Research Quiz 7

Research Quiz 7

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Questions 14

Answers

1
Standard deviation measures variability
False
True
2
P-value represents:
Value of the tests used statistics
The population amount
The margin of error allowed
3
Cohen’s d and effect r measures:
Effect size
Regression
Correlations
Statistical significance
4
What is a Dependent Variable?
Something you hold constant in the experiment
The results/what you measure
The variable you test by changing it
Something you could change but don't
5
nominal measurement
categories
both
EX: eye color
6
How many dependent variables are there in regression analysis?
0
as many as you want
p
1
7
How do you find the mode?
You add up all the numbers it gives you
you don't find the mode
Find the number that comes up the most
8
How do you find the median of a number?
You put numbers in order
You put the numbers in order, then see what the middle is.
you multiply and divide
You add up everything
9
Reject null hypothesis means _________
not the same, there is a significant difference
are the same, no difference
10
Nominal scales are used for Chi-square
True
False
11
Pearson’s correlation coefficient...
...measures a linear relation.
...is strictly positive.
Neither a) nor b) is correct.
a) and b) are correct.
12
The null hypothesis claims our data was a random event.
True
False
13
A meta-analysis:
Statistical method of data synthesis of findings from several studies
Smaller version of a proposed study that helps refine methodology
A design to examine probability and causability among variables
Assignment of subjects to treatment condition in a random manner
14
Type II Error
Reject a null hypothesis/false positive
No difference/no effect
Statistically significant difference
Fail to reject the null hypothesis/false negative