I want all answers with explanation...

I'll upvote you...

QUESTION 23 This type of sampling involves taking every Nth item in a list: O Simple random O Stratified O Cluster O Systematic QUESTION 24 O(1) and O(2) stands for: O The treatment variable The pretest and posttest variables Equivalence O Post-test only design QUESTION 25 A is a false relationship, that is, one that is not caused by the believed variables, but can be explained by the other variables. O Spurious relationship Rival causal factors O Internal factors O External factorsQUESTION 26 Other events besides the treatment variable which may occur during the course of an experiment are called: O Maturation O Selection bias History O Hawthorne effect QUESTION 27 Which of the following is a fallacy that argues that one variable is the cause of an outcome because it precedes that outcome in time? O Self-fulfilling prophecy O Halo effect Post hoc error Response set QUESTION 28 The chief advantage of the simple random sample is that it is easy and quick. O True O False