A Researcher Develops a Study to Examine the Effects of Keep

A researcher develops a study to examine the effects of Keep Yourself Safe Screening (KYSS) on the incidence of intimate partner violence (IPV) .The study level of significance is 0.05.The null hypothesis,that KYSS will have no effect on IPV,is found to be true.When reviewing the study for type II errors,the reviewer understands that

A) a level of significance of 0.01 would decrease the risk of a type II error.
B) the level of significance does not affect the chance of a type II error.
C) there is a 5% chance that the null hypothesis is false.
D) there is a 5% chance that the null hypothesis is true.

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