After Repeated Studying,Cressida Is Able to Remember All of the State

question 56

Multiple Choice

After repeated studying,Cressida is able to remember all of the state capitals.Now when she hears the word Michigan,she quickly thinks of the word Lansing.Cressida's learning is
Most likely due to long-term potentiation,which

• A) releases glutamate in the brain.
• B) strengthens synaptic connections.
• C) increases excitatory neural signals.
• D) decreases neurotransmitters in the synapse.

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Definitions:

Null Hypothesis

In statistics, it posits that there is no effect or difference among the groups being studied or variables being compared.

Alpha

In hypothesis testing, alpha level represents the threshold for rejecting the null hypothesis, often set at 0.05 or 5% risk of Type I error.

T-statistic

A statistic calculated from a dataset to compare the mean of the data to a hypothetical mean as part of a t-test.

Critical Value

The boundary value from a statistical distribution where, if the observed test statistic is beyond this point, the null hypothesis is rejected.