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research methods
distributions
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Created by
Evie CJ
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Cards (32)
What is an IQ test primarily composed of?
A series of
logic questions
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What does an IQ score measure?
It measures
intelligence
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What is the average IQ score?
100
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What does a higher IQ score indicate?
Greater
intelligence
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What shape does the distribution of IQ scores form on a graph?
A
bell shape
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What is a normal distribution?
A common distribution of
data
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What are the characteristics of a normal distribution?
Symmetrical
curve
Mean
,
median
, and mode at the center
Sides do not touch the
x-axis
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What is the mode in a normal distribution?
The most
common score
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How is the median defined in a normal distribution?
It is the
middle score
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What does the mean represent in a normal distribution?
The
average score
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How does the standard deviation relate to normal distribution?
It indicates how far scores are from the
mean
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What percentage of scores falls within one standard deviation of the mean?
68%
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What percentage of scores falls within two standard deviations of the mean?
95%
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What percentage of scores falls within three standard deviations of the mean?
99.7%
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What does a score of 130 on an IQ test indicate?
Top
2.5%
of the population
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How is abnormality defined in terms of IQ?
As
statistically
infrequent scores
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What are skew distributions?
Distributions with scores shifted to one side
Long tail either to the right (
positive skew
) or left (
negative skew
)
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What indicates a positive skew in a distribution?
Long tail pointing to the
right
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What indicates a negative skew in a distribution?
Long tail pointing to the
left
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How can a test's difficulty affect its distribution?
Easy tests lead to
negative
skew
, hard tests to
positive
skew
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How do positive and negative skews affect central tendency measures?
Mode
: highest point on the graph
Mean
: pulled towards the tail
Median
: between mode and mean
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What is the mode in a skewed distribution?
The highest point on the
graph
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How does the mean behave in a skewed distribution?
It is affected by
extreme scores
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Where is the median located in a skewed distribution?
Between the
mode
and the
mean
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What resources are available for patrons of psych boost?
Access to tutorial videos
Printable resources
Discord Channel
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What is the purpose of the support from patrons on psych boost?
To allow
part-time
teaching and content creation
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What is the time frame of the tutorial videos mentioned?
2017
to
2020
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What is the main focus of the tutorial videos on psych boost?
Research methods
sections
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What is the significance of the support from students and teachers on psych boost?
It enables the
development
of educational content
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Who receives a special shout out in the video?
Patrons
who support at the
developer
level
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What is the platform mentioned for accessing additional resources?
Cyprus.com
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What is the main topic of the next video mentioned?
Research methods
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