HTH_PR 4950 Study Guide - Final Guide: Predictive Validity, Internal Validity, Stratified Sampling
Document Summary
Topic 1: what type of research uses experimental groups, control groups and treatments. Topic 1: a researcher spends 30 minutes a day observing toddlers playing in a park over a two week peri- od. He documents how frequently each child pushes, hits and pinches other children. This is an example of a researcher . Topic 1: researchers who are concerned with --why, whom, how and when; will usually use this type of approach to research. Topic 1:study generated numbers that can be statistically analyzed are called. Topic 1:a researcher studied post-partum depression in patients who had been discharged from the hospit- al. One group of patients received a series of counseling sessions while the other did not. The study con- ducted by this researcher is best described as a . Topic 2:an experiment is known as a true experiment when: Topic 2: non-experimental studies differ from experimental studies as follows.
