LCSW – Research Questions & Answers, 100% Accurate. Rated A+

LCSW – Research Questions & Answers, 100% Accurate. Rated A+ Exploratory research - -Purpose is to gain familiarity with phenomenon or to achieve new insights into it; often in order to formulate a more precise research problem or develop hypotheses. Descriptive studies - -Purpose is to describe accurately the characteristics of a particular individual, situation, or group. Example: narrative case studies Correlational studies - -Purpose is to determine the way in which something is associated with something else. Correlation implies association, not causation Hypothesis - -Conjectural statement (prediction) of the relation between two or more variables Independent variable - -The variable is manipulated or controlled by the experimenter; in studies the treatment is the independent variable Dependent variable - -The variable affected by the independent variable; the outcome is the dependent variable Experimental group designs - -Consists of a comparison of control group with an experimental group; receive experimental treatments Experimental group designs - -Many kinds of control groups, most common is "no treatment" groups; others include wait-list, minimal contact. Comparison of experimental and control group before treatment and after treatment Single subject designs - -Allow experemental study of a single individual; Pre-post (AB) design Single subject designs formula - -Before treatment=pre-treatment=baseline=(A). After treatment=post-treatment=(B). Difficulty in ruling out alternative causes of change Single subject designs - -Reversal design (ABA) Baseline-treastment-withdrawal of treatment. Does dependent variable return to baseline (pre-treatment) level?