non-experimental designs Flashcards
non-experimental research designs
are used when the researcher wishes to:
- construct a picture of a phenomenon at one point or over a period of time
- explore people, places, events or situations as they naturally occur
- test relationships and differences among variables
if topic is pain look at factors that naturally contribute to pain because not ethical to manipulate IV
survey
a design style used when we know very little about the variables
- descriptive, exploratory, comparative
correlational studies
investigation between two or more variables to examine the type and strength of the relationship
- not to examine cause and effect
developmental studies
examines the relationship, differences and status of variables or phenomena at a point in time
- also examines how the variables or phenomena change over time
includes cross sectional, longitudinal and retrospective
cross sectional design
used to examine groups of subjects in various stages of development simultaneously with the intent of inferring trends over time
- data collected occurs once with the participants
longitudinal
panel designs used to examine the same subjects over an extended period of time
multiple data collections from the sample over extended periods of time
nurses health study
to determine the relationships between hormonal, reproductive, dietary and lifestyle factors, biochemical and genetic factors, with the subsequent risk of coronary heart disease in a cohort of female registered nurses
- longitudinal study
retrospective or ex post facto
is used to determine meaningful relationships between events that have occurred in the past
- researcher is working backwards
- knows outcome and is attempting to determine the antecedents of this particular outcome
methodical research
is focused on developing the validity and reliability of instruments to measure research concepts
psychometric research
is focused on the theories and techniques involved in measuring psychological constructs, especially measurement tools
systematic review
structured comprehensive synthesis of quantitative studies on a specific topic that determine the best research evidence for expert clinical use to promote evidence based practice
meta-analysis
involves the statistical pooling of the results from several studies into one single quantitative analysis
- highest level of analysis of evidence on an interventions efficacy
integrative review
critical review of an area of research without a statistical analysis or a theory synthesis
secondary analysis
the use of data from a previous research study is reanalyzed for a secondary purpose
epidemiological studies
explores factors effecting the health and illness of a population in relation to the environment
- examine rate of disease or illness in a population and examine the disease or illness