1. Explain why errors are always possible during hypothesis testing. 2. What is the easiest way to reduce Type II errors? What problem does this method of reducing Type II errors create? (Hint:...

1. Explain why errors are always possible during hypothesis testing.

2. What is the easiest way to reduce Type II errors? What problem does this method of reducing Type II errors create? (Hint: Consider statistical significance vs. practical significance.)

3. For our psychic study, write out the alternative and null hypotheses. Is this a one-tailed or two-tailed test?