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Testy!!
What's the Significance
That's so Random!
Buyer Beware
More randomness
100
This distribution can be used in place of the Normal distribution when the population standard deviation is not known.
What is the t-distribution?
100
The most commonly used are 0.05, 0.10, 0.01.
What is the level of significance?
100
N-1
What is the degree of freedom?
100
A short paragraph at the beginning of a research article that describes the basic findings.
What is an abstract?
100
A conclusion in which the null is rejected and researcher concludes treatment is effective.
What is a "positive" finding. (see pg. 463)
200
A test of association based on two independent samples.
What is a test of homogeneity?
200
When p-value is greater than alpha.
What is fail to reject the null hypothesis.
200
The number of observations we would expect to see in each cell of a summary table if the null hypotheses were true.
What is the expected counts?
200
When a journal prefers to publish "positive" findings.
What is publication bias?
200
When the alternative is testing a decrease in effectiveness.
What is left-tailed test?
300
A test used to determine whether two categorical variables are associated.
What is a Chi-square test?
300
When p-value is less than alpha.
What is reject the null hypothesis?
300
When random assignment exists within the study.
What is causal conclusion?
300
Paper are read by two or three knowledgeable and experienced researchers in the same field.
What is peer reviewed?
300
When the mean of a sampling distribution is the same value as the population mean.
What is an unbiased estimator.
400
You would use this test if you wanted to compare each of your pulse rates before and after being frightened.
What is a paired T-test?
400
When a study is large enough to have a real effect on people's health or lifestyle.
What is clinical significance?
400
You can make conjectures about population.
What is randomly selected samples?
400
An analysis that considers all studies done to test a particular treatment and tries to reconcile different conclusions.
What is meta-analysis? (See pg. 464)
400
It states that the sampling distribution is normal if n is large.
What is the Central Limit Theorem?
500
There is not enough evidence to support the alternative hypothesis.
What is Fail to reject the null hypothesis or do not reject the null hypothesis.
500
This represents the probability of rejecting the null hypothesis when the null hypothesis is true.
What is the significance level?
500
When no random assignment exists within a study.
What is an association?
500
The practice of stating the hypotheses after looking at the data.
What is data dredging?
500
Standard deviation divided by square root of n.
What is standard error?
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