Statistics

1
Statistics
t-test ANOVA (analysis of variance) Correlation
Regression
2
t-test Assesses the difference between two
means Is the mean for group one statistically
different than the mean for group two?
3
ANOVA (analysis of variance) One-way ANOVA is
used to test for significant differences among
two or more independent groups. Factorial ANOVA
is used when the experimenter wants to study the
effects of two or more treatment variables on two
or more groups.
4
Correlation Assesses if as one variable
increases or decreases then another variable
increases or decreases proportionally. http//www
.socialresearchmethods.net/kb/statcorr.php As
height increases then self-esteem increases!!
5
Regression Regression analysis examines if
independent variables (explanatory
variables) are related to a dependent
variable (response variable). http//www.stat.col
ostate.edu/gumina/st201/pdf/Regression-Correlatio
n.pdf Multiple regression assess which multiple
independent variables make a statistical impact
on the dependent variable.
6
Popping is a funk dance and street dance style
based on the technique of quickly contracting and
relaxing muscles to cause a jerk in the dancer's
body, referred to as a pop or a hit. This is done
continuously to the rhythm of a song in
combination with various movements and poses. A
popping dancer is commonly referred to as a
popper. Crew A http//www.youtube.com/watch?vM
OdnaGPuexM Crew B http//www.youtube.com/watch?v
uyjkwOj5iw4 Imagine each crew is given a
score out of 20 by 30 judges Is crew As score
statistically different than crew Bs?
7
Condition
Group A
Group B
Popping Scores ?
Dependent Variable
Dependent Variable
8
Strobing (also cracking) is a popping dance
technique giving the impression that the dancer
is moving within a strobe light setting or a
low-framerate movie. Waving is an illusionary
dance style composed of a series of movements
that give the appearance that a wave is
traversing through a dancer's body. Is the crew
better at strobing or waving?
9
Condition 1 Waving
Condition 2 Strobing
Group A
Group A
10
Statistics
t-test Unrelated or Related ANOVA (analysis of
variance) Correlation Regression