A Sample of N = 10,000 (X, Y) Pairs Resulted $H _ { o } : \rho = 0 \text { versus } H _ { \pm} : \rho \neq 0$

question 28

Essay

A sample of n = 10,000 (x, y) pairs resulted in r = .022. Test $H _ { o } : \rho = 0 \text { versus } H _ { \pm} : \rho \neq 0$ at level
.05. Is the result statistically significant? Comment on the practical significance of your analysis.

---

Definitions:

Variable-Ratio

A schedule of reinforcement where a response is rewarded after an unpredictable number of responses, often used in gambling and behavior training.

Shaping

A method used in behavior therapy and training that involves reinforcing successive approximations of a target behavior until the desired behavior is achieved.

Spontaneous Recovery

A phenomenon in psychology where a previously extinguished response re-emerges after a period of no exposure to the conditioned stimulus.

Positive Reinforcer

An event or item that, when presented after a behavior, increases the likelihood of that behavior occurring again.