1. Social Work 671 Class # 1 Introduction & Review

2. Outline Introductions Why are we here? Syllabus Review Descriptive Statistics

3. Why have Social Work Research Classes Need to generate field specific information Need to test and document promising practices delivered practitioners are busy) Need to remain current on emerging practices (APA & NASW Journals assume readers know research methods) Need to meet external standards  University  CSWE

4. Syllabus Available on-line Ask questions (half the class likely has the same question) Review dates Review content

5. Review Problem Formulation Deductive versus Inductive Reasoning Operational Definitions Measurement Levels: nominal, ordinal, interval, ratio Probability Sampling: random, stratified, cluster, systematic

6. Review (continued) Descriptive Statistics Central Tendency Measures of Dispersion Experimental, Quasi-experimental, and Non-experimental Designs Qualitative and Quantitative Research

7. Descriptive Statistics Measures of Central Tendency  mean  median  trimmed mean  mode

8. Descriptive Statistics Measures of Dispersion  range  variance  standard deviation