1. One common way of testing a theory is to use __________ to make a prediction (hypothesis) about what should occur if the theory is a valid explanation of the phenomenon under study. deductive reasoning inductive reasoning critical thinking argument analysis 1. It is important to identify subproblems while preparing a statement of the research problem. Which of the following should be avoided while identifying subproblems? A completely researchable unit Tie the subproblem to the researchable data Subproblems should be small in number Pseudo-subproblems 1. What is the difference between a null hypothesis and a research hypothesis? A null hypothesis is always used in research while a research hypothesis is never used; only referenced. We can provide evidence for (or prove) a null hypothesis while we cannot really prove a research hypothesis. Only one null hypothesis may be included in a research report while several research hypotheses may be included in a research report. A null hypothesis is a negative statement and should never be included, while a research hypothesis is a positive statement and should always be included