Tests Overview | Designs | Models and p-values | All about power | Definitions and Key terms |
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What is Z-Test?
A test in which you compare the known population mean to a sample mean over a known standard deviation
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What is Dependent T-Test?
A test used in designs that compare pre- and post- data or longitudinal data within a sample.
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What is an In/ Dependent T-Test?
Uses Cohen's d and can be uni- or bi-directional.
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What is increasing the sample size?
A strategy that decreases the type 2 error rate.
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What is paired data?
Two sets of observations where each observation in one set has a special correspondence
or connection with exactly one observation in the other data set. |
What is Dependent T-Test?
A test in which you compare the difference between two related samples.
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What is an Independent T-Test?
A test used in designs that compare between group data.
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What is t = (M1 - M2) / SE?
A formula for an Independent T-Test, specifically.
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What is a type 1 error?
Rejecting H knot when you shouldn't have.
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What is the central limit theorem?
When we collect a su ciently large sample of n independent observations from a population
with mean and standard deviation , the sampling distribution of x will be nearly normal |
What is an Independent T-Test?
A test in which you compare the difference between two independent samples.
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What is a Z-Test?
A test that compares the average age of a sample to the average age of the United States population with a known standard error.
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What is t = (Observed - Expected) / SE?
A formula or model for a In/Dependent T-Test.
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What is the test of power?
The probability of correctly rejecting H knot.
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What is independence, extended?
The data are not dependent within and between the two groups,
e.g. the data come from independent random samples or from a randomized experiment. |
What is Single Sample T-Test?
A test in which you compare the known population mean to a sample mean over a unknown standard deviation.
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What is an Independent T-Test?
A test that compares the weight of a sample of males ages 35 - 65 taking a diet pill placebo to a similar sample taking an experimental drug?
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What is any Z- or T-Test?
Has a p-value based on the t-value and t-distribution.
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What is a test of inference?
Statistical test that involves hypothesis testing (evaluating some idea about a population using a sample) and estimation (estimating the value or potential range of values of some characteristic of the population based on that of a sample).
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What is an Independent T-Test?
A test that compares group level means.
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What is single sample T-Test?
A test that compares the average satisfaction of all participants with a yearly conference conducted every year for 20 with the average satisfaction of a sample of participants for 2 years.
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What is a Dependent T-Test?
Calculates t = (M - 0) / SE or M/SE.
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What is a freebie?
Your free points.
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