Chapter 5: Research Flashcards
A concise statement, worded in the present tense, that includes one or more variables (concepts).
Research question
Type of research method used when the question is broad and little is known about the subject. It is used to generate hypotheses about relationships and for instrument development.
Qualitative method
Type of research method used to explain and predict phenomena, generate evidence of relationship, cause and effect, test theory or instruments, and evaluate the effectiveness of interventions.
Quantitative method
Type of research method that allows the researcher to gain insight through discovering meaning and are a way to explore the richness and complexity of a phenomena. Data is expressed in words rather than numbers.
Qualitative
Deals with the question of how the research findings match reality
Credibility
Refers to the extent to which strategies such as interviews or forums were conducted in a similar manner.
Consistency
The stimulus or activity that is manipulated by the researcher to create an effect on the dependent variable
Independent variable
The response, behavior, or outcome that the researcher wants to predict or explain
Dependent variable
A measure of the truth or accuracy of the study
Validity
Type of error that occurs when the researcher concludes that there is a difference between two groups when in reality there is no difference.
Type 1 Error
Type of error that occurs when the researcher concludes that there is no difference between two samples when there is a true difference.
Type II Errors
A study of a population by systematically examining a representative sample. Findings may be generalized to the population represented by the sample.
Correlational designs study
The study of events occurring in large samples or the population
Epidemiology
The process of assigning numbers to objects, events, or situations according to a rule.
Measurement
Levels of measurement:
Numbers function as labels or categories and cannot be used for calculation. Ex: the numbers on a sports jersey are labels only
Nominal scale