Research Methods - Lecture (By Ella Sadler)

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These nodes are connected because a scale can be used to measure height (not valid) but it can be reliable with the numbers produced.

These nodes are connected because within these experiments basic human rights such as respect, beneficence, and justice were severely neglected.

These nodes are connected because before the experiment is conducted the researcher will predict if a relationship will occur or there will a difference among treatments.

These nodes are connected because extraneous variables alter the experiment when it researchers did not plan for that to happen.

These nodes are connected because the - or + does not matter play into it having a stronger correlation

These nodes are connected because if the sample is too small to generalize to the population this increases the external validity

These nodes are connected because researchers can use both methods to collect data if they choose to do so

These nodes are connected because all approaches use different or the same ways to collect data. An example is that narrative inquiry uses interviews and so does ethnography.

These nodes are connected because if the purpose is trying to find scores on a test then they should use quantitative data but if the research aims to find personal history on a town then they should use qualitative data.

These nodes are connected because the dependent variable is altered by how the independent variable changes.

Research Methods - Lecture (By Ella Sadler)

Correlations

Negative correlations

Larger values on one variable are associated with smaller values on a second variable

Positive correlations

Larger values on one variable are associated with larger values on a second variable

Popultaion vs Sample

Sample

subgroup of the population who takes part in the research

population

Group of people that the research is interested in studying

Qualitative vs. Quantative

Quantitative Research

answers research questions without analysis of numbers

Qualitative Research

5 approaches to conduction qual. research

Case Study

Ethnography

Grounded theory

Phenomenology

Narrative inquiry

answers research questions through analysis of numbers

Measurements

Reliability

the consistency of tests scores to other test scores

Validity

the extent to which the test measures what it is supposed to measure

Ethics

Three main principles for research ethics

Justice

Beneficence

Respect for persons

Hypothesis

Alternative Hypothesis

Prediction that there are differences among treatments or there is a relationship among the variables

Null Hypothesis

Prediction that there are no differences among treatments or no relationship

Variables

Extraneous

Operationalizing

Dependent variables

Independent variables