When the moon hits your eye like a big pizza pie, STAT's amore
Name one of the 3 types of t-tests
What are:
One sample
Between subjects
Within subjects
The type of data collected if you were counting how many men vs women walked past you when you sit in the park
What is nominal
Your z-score if the class average is 10/20, standard deviation is 2 and you scored 15/20
What is 2.5
The type of sampling we would love to do but rarely can & the bias that accompanies convenience sampling
Type of validity concerned with generalizing our results to the real world
External
Name 2 assumptions of a t-test (hint there are more than 2)
Parametric data
2 groups
Homogeneity of variance
Independence of observations
Normality
The type of data you collect when you measure the speed at which you build Ikea furniture
What is Ratio
Your percentile score if your z-score was +2.5
What is the 99th percentile
A measure of reliability & the p-value you set at the beginning of your experiment
The type of validity that can anticipate behavioural change
Name one of the types of ANOVAS
What are:
Between Subjects
Within Subjects
Factorial
Mixed Factorial
The type of data that SPSS calls scale
What is interval and ratio
Your percentile if you scored 25, the class average was 23 and the standard deviation was 6
z-score: 0.42
percentile: ~0.8
The type of error that a Bonferroni test controls for and how a measure of spread is represented on a bar graph
What is family wise error bars
The type of validity that would be high if it induced the desired psychological construct
4 things you can do if you break an assumption
What is:
Cry
Do some research
See if you can fix it
Drop to a simpler test
The type of data you use when you rate how beautiful your amazing PSL leader Carina is
What is ordinal data
Your z-score if you are in the 15th percentile
-1.03
The calculation you would do to find the standard deviation of a sampling distribution & the measures of central tendency
Standard error of the mean, median and mode
This validity would be low if something other than the IV caused a change in the DV
Internal
What is:
Mann Whitney U
Wilcoxon T
Chi Square
The type of data that the normal curve displays
What is interval
The percentage of people who scored 15.5 or less if the mean is 23 and the standard deviation is 5
what is ~9%
The error you would make if you found something that wasn't real & when you think your experiment will cause MORE or LESS of something rather than just a difference between the groups
What is a type one directional hypothesis
Name a threat to statistical validity
What is:
1. Low statistical power (not enough people)
2. Violated assumptions
3. Fishing/error rate problems (no correction for FW)
4. Measurement error
5. Restricted Range