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Data
Statistics
Ethics
Validity
Odds & Ends
100
The scale of measurement that is categorical, with no properties of the real number system.
What is nominal?
100
Used to summarize data obtained from a sample, e.g. pie chart, frequency chart, etc.
What are descriptive analyses?
100
Act of informing research participants at the end of the study what the true purpose of the research was, and addressing any deception that was used.
What is debriefing?
100
Changes in the dependent variable due to normal growth and development.
What is maturation.
100
A story about your dependent variable (s).
What is the Introduction section?
200
Data that only has two categories.
What is dichotomous?
200
Type of statistical test that looks for differences among 2 or more groups with one or more independent variables.
What is ANOVA?
200
Ethical principle that states that participants must have enough information to make a good decision about participating in the study of their own free will.
What is Respect for Persons?
200
To clearly define a variable by making it as measurable as possible.
What is an operational definition?
200
The research design in which participants serve as their own controls.
What is a within-subjects design?
300
Occurs when the measure does not allow for distinction in top scores.
What is a ceiling effect?
300
Type of statistical test that looks for differences between only two experimental conditions.
What is a t-test?
300
This is designed to inform research subjects about the purpose, risks, potential benefits and alternatives to the research that allows people to make a decision about whether or not to participate based on their own goals and values.
What is informed consent?
300
An example of this type of validity would be "SAT scores in college are significantly related to first-year college performance".
What is predictive validity?
300
Every person in the population has an equal chance of being in the sample
What is a random sample?
400
Independence of observations, normal distribution of data, and homoskedasticity.
What are the assumptions of ANOVA?
400
Analysis conducted to determine whether students with larger feet are smarter.
What is Pearson's r (little r, correlation)?
400
This principle states that investigators need to make special provisions when including individuals in research who have diminished capacity for making decisions in their own best interests.
What is The Belmont principle?
400
These are the three criteria needed to establish cause and effect (internal validity).
What is temporal precedence, covariation, and nonspuriousness (rule out alternative explanations)
400
The design in which includes both a within and between subject variable.
What is a mixed design?
500
When extreme scores tend to be more similar to the normal distribution upon retesting.
What is regression to the mean?
500
Statistic that allows you to make comparisons between two or more predictor variables.
What is Beta?
500
Site of the infamous syphilis studies that caused concern over ethics in medical research.
What is Tuskegee?
500
Occurs when an experimenter inadvertently affects the outcome of the study.
What is the experimenter effect?
500
Random Assignment
What is the hallmark of a true experiment?