Author Question: A researcher does a study on knowledge of animals in cat lovers compared to dog lovers. In ... (Read 75 times)

londonang · **on:** Aug 4, 2018

A researcher does a study on knowledge of animals in cat lovers compared to dog lovers. In actuality, dog lovers have a greater knowledge of animals. After statistical analysis, the researcher makes the decision to NOT reject the null hypothesis.

This decision is
A) Correct.
B) A Type I error.
C) A Type II error.
D) Not possible to evaluate from the information given.

Question 2

Setting alpha to a low level to reduce the chance of rejecting the null hypothesis when it should be accepted

A) Is rarely done in research.
B) Increases the chance of Type I error.
C) Increases the chance of Type II error.
D) Increases the accuracy of decision making with little adverse effects.