RBUS2900 Study Guide - Final Guide: Sampling Frame, Nonprobability Sampling, Type I And Type Ii Errors
Document Summary
Pure research is aimed at solving perplexing questions (that is, problems) of a theoretical nature that have little direct impact on action or policy decisions. should expect such studies to be closely related to action or policy needs. Can assist do people buy online: the scientific method (good research!!) o empirical (not intuitive) o systematic (vs. Clear conceptual and operational definitions o objective (vs. subjective) o testable hypotheses. Inferences: are probability statements concerning populations, based on the behaviour of. Statistics: sample values such as mean. samples: simple random sampling. In simple random sampling, each element in the population has a known and equal probability of selection. It consists of screening questionnaires to identify illegible, incomplete, inconsistent, and ambiguous responses. Assign missing values, discard unsatisfactory responses. o coding: coding means assigning a code, usually a number, to each possible response to each question. The code includes an indication of the column position and data record it will occupy.