A statement whose validity is tested on the basis of a sample is called?*b) Statistical Hypothesisd) Composite Hypothesisc) Simple Hypothesisa) Null Hypothesis

A null hypothesis with a one-sample test can be formulated with a <, > or ≠Group of answer choicesTrueFalse

___________ studies do not start with a problem or hypothesis, their problem is to find a problem or the hypothesis to be tested

A type I error occurs when the sample results lead to the rejection of the null hypothesis when it is, in fact, true.Select one:TrueFalse

What is a “null hypothesis” and why is it sometimes considered a better starting point for experimental work than an “alternate hypothesis”?

Face validity or face value is also called ________________Question 18Answera.content validityb.internal validityc.criterion validityd.external validity