Find the Critical Value $t _ { \alpha / 2 }$

question 73

Multiple Choice

Find the critical value $t _ { \alpha / 2 }$ needed to construct a confidence interval of the given level with the given sample size.
Level $95 \%$ , sample size 11

• A) 1.960
• B) 2.228
• C) 1.812
• D) 2.201

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Definitions:

Extinction

In psychology, the gradual weakening and disappearance of a conditioned response when the conditioned stimulus is no longer paired with the unconditioned stimulus.

Variable-Ratio Schedule

A reinforcement schedule where a response is reinforced after an unpredictable number of responses, making it very resistant to extinction.

Fixed-Interval Schedule

A type of reinforcement schedule in operant conditioning where rewards are delivered at fixed time intervals, provided the correct response is made.

Stimulus Generalisation

The psychological phenomenon in which responses to a specific stimulus become triggered by stimuli that are similar in some way to the original stimulus.