Scientific Method: Feb 1
Monday, February 1, 2 016
11:49 A M
Confidence Intervals
Some Nomenclature:
Point estimates:
A single value that makes an estimate of the population parameter .
An unbiased point estimate will on
Scientific Method, Jan 18
Monday, January 18, 2 016
11:57 A M
Dependent T-test
The Dependent-Samples t-test:
A repeated-measures study is one where a single sample of subjects is measured
than once in all treatment conditio
Scientific Method: Feb 8
Monday, February 8, 2 016
11:42 A M
PSYC 2127
ANOVA: An Overview
Week of February 8, 2016
Nomenclature:
ANOVA: Analysis of Variance
One-Way ANOVA:
Independent Samples with ONE IV and several l
Scientific Method: Jan 11
Monday, January 11, 2 016
12:09 PM
Error in making statistical decisions
Anytime we undertake a statistical test, there is a probability that we may make a
mistake in our decision processes.
Up
Scientific Method: Jan 21
Thursday, January 21, 2 016
11:47 A M
Independent t-tests
Some Nomenclature:
Between subjects:
Where the factor is an independent variable developed with
independent samples in every condition.
Scientific Method: Feb 11
Thursday, February 11, 2 016
12:53 PM
One way ANOVA
The F-Distribution
F-ratios are computed from 2 variances and will always be positive. (impossibel to
have negative F)
nn
When H0 is true, the F-ratio should be ~ 1.
Scientific Method: Jan 7
Thursday, January 7, 2 016
1:05 PM
Hypothesis testing
In general, we make inferences about population parameters from sample statisti
The mean
Recall that the means from different samples from the
Scientific Method: Jan 14
Thursday, January 14, 2 016
11:47 A M
Hypothesis testing: experiments with one condition
Remember that the real world rarely has us knowing the SD of the population(s) that
interested in
When we