click below
click below
Normal Size Small Size show me how
AMDM Unit 3 Vocab
Term | Definition |
---|---|
Observational Study | Research in which data is collected, by observation or survey, about some characteristic of the population. |
Experimental Study | Research in which the researcher separates participants into two or more groups, applies some sort of treatment, then compares the results. |
Treatment | Something that researchers administer to participants in an experimental study |
Variable of Interest | Measured result in an experimental study |
Control Group | A group in an experimental study that does not receive a treatment |
Placebo Effect | A phenomenon in which a person, who is receiving an inactive drug or treatment, experiences similar or the same effects as someone receiving the active drug or treatment. |
Hypothesis | An assumption or guess |
Population | The entire collection of items or subjects that are the focus of concern in a study. |
Research Question | A question that states what a researcher will attempt to answer and that guides research design |
Primary Data | Data that you collect directly. Examples are experiments, surveys, or observations |
Secondary Data | Data that have been collected by someone else and are available to the researcher. Examples are the internet, printed materials, or historical documents. |
Pilot Study | A small-scale version of a research plan. |
Institutional Review Board | A group that must approve all study design plans |
FDA | A group that performs inspections of IRB’s to ensure that they are working effectively. |
Margin of Error | Represents a range in a study. |
Pollsters | A group that collects data regarding elections. |
Simple Random Sampling | The researcher chooses the sample from the entire population through a randomization method. |
Stratified Random Sampling | The researcher separates the population into a number of strata and then takes a random sample within each strata. |
Systematic Sampling | The researcher separates the population into evenly sized groups, randomly selects one participant in the first group and then selects the nth participant from each other group. |
Cluster Sampling | The researcher separates the population into groups and then randomly selects some of these groups to participate. |
Convenience Sampling | The researcher selects participants based on easy accessibility. |