Jeopardy Hypothesis Testing t-test Basics t for Indep. Samples Related Samples t— Didn’t...
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Transcript of Jeopardy Hypothesis Testing t-test Basics t for Indep. Samples Related Samples t— Didn’t...
JeopardyHypothesis Testing
t-test Basics t for Indep. Samples
Related Samples t—Didn’t cover—Skip for now
Ancient History
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Hypothesis Testing--$100
This always specifies that the treatment had no effect or made no difference.
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Hypothesis Testing--$200
Hypothesis testing is said to be this kind of a process because sample data is used to make decisions about a population.
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Hypothesis Testing--$300
Rejecting the null hypothesis when, in fact, the null hypothesis is true.
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Hypothesis Testing--$400
Retaining the null hypothesis when, in fact, the null hypothesis is false.
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Hypothesis Testing--$500
Rejecting the null hypothesis when, in fact, the null hypothesis is false.
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T-test Basics--$100
Use a t statistic instead of a z statistic when this is not known.
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T-test Basics--$200
The shape of the t-distribution is determined by
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T-test Basics--$300
In general, a t-test can be expressed as this ratio.
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T-test Basics--$400
Use this kind of t-test when comparing a single sample to a hypothesized population value.
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T-test Basics--$500
The alternative hypothesis for a two-tailed t-test comparing the mean of one sample to a hypothesized population mean of 450 ms.
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Independent Samples--$100
Another name for an independent samples design.
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Independent Samples--$200
The number of scores contributed by each participant in an independent samples design.
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Independent Samples--$300
In an independent samples design, this special calculation of variability must be computed and used to figure the estimated standard error.
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Independent Samples--$400
A simple average of the group variances can be used to calculate estimated standard error only when __________.
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Independent Samples--$500
For an independent samples design, if df=18 the total number of participants must be ___.
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Repeated Samples--$100
Another name for a repeated samples design.
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Repeated Samples--$200
The number of scores contributed by each participant in a repeated samples design.
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Repeated Samples--$300
A variant of the repeated samples design in which great care is taken to minimize individual differences between two participants.
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Repeated Samples--$400
The null hypothesis for a two-tailed test in a repeated samples design.
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Repeated Samples--$500
In a repeated samples design, the estimated standard error is reduced because this can be removed.
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Ancient History--$100
This means “two names,” referring to a scale consisting of exactly two categories.
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Ancient History--$200
Use this to look up the proportion of the normal distribution corresponding to a particular z-score.
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Ancient History--$300
Use this research strategy to describe the relationship between two variables.
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Ancient History--$400
A researcher administers the same drug to 3 groups of participants, with each group confined to a room with a different temperature—60, 70, and 80 degrees respectively. What is the independent variable and how many levels are there?
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Ancient History--$500
The z-score distribution will always have a mean of ___ and a standard deviation of ___.
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Hypothesis Testing--$100
A: What is the null hypothesis?
Back to board
Hypothesis Testing--$200
A: What is inferential?
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Hypothesis Testing--$300
A: What is a type I error?
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Hypothesis Testing--$400
A: What is a type II error?
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Hypothesis Testing--$500
A: What is power?
Back to board
T-test Basics--$100
A: What is the population standard deviation or the population variance?
Back to board
T-test Basics--$200
A: What is df or n?
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T-test Basics--$300
A: What is obtained (observed) difference over difference expected by chance alone?
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T-test Basics--$400
A: What is a one sample or single sample t?
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T-test Basics--$500
A: What is μ is not equal to 450?
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Independent Samples--$100
A: What is a between-subjects design?
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Independent Samples--$200
A: What is 1?
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Independent Samples--$300
A: What is pooled variance?
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Independent Samples--$400
A: What is n1=n2?
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Independent Samples--$500
A: What is 20?
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Repeated Samples--$100
A: What is a within-subjects design?
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Repeated Samples--$200
A: What is 2 (at least)?
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Repeated Samples--$300
A: What is a matched subjects design?
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Repeated Samples--$400
A: What is the population mean of the difference scores is equal to zero?
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Repeated Samples--$500
A: What is the variability due to individual differences?Back to board
Ancient History--$100
A: What is binomial?
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Ancient History--$200
A: What is the unit normal table?
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Ancient History--$300
A: What is correlational?
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Ancient History--$400
A: What is room temperature and 3 levels?
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Ancient History--$500
A: What is 0 and 1? (in that order)
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