Statistics
A ________ correlation shows a relationship between two variables that move in tandem —that is, in the same direction.
A(n) __________________ study focuses in depth on a small number of subjects
What is qualitative?
Psychologists use this method to obtain new knowledge that is accurate and valid when conducting research.
What is the scientific method?
A(n) __________________ sample consists of choosing people by chance, like drawing names from a hat.
What is random?
When the participants do not know if they have been exposed to the independent variable, but the researcher does, it is called a ____________.
What is a Single-blind experiment.
A ____________ correlation is a relationship between two variables in which one variable increases as the other decreases.
What is negative?
__________________ refers to studying the behavior of people or animals without being seen.
What is the Naturalistic Observation?
In a study, members of the __________________ group are exposed to changes.
This kind of statistic simply describes what is or what the data shows.
What is descriptive?
This kind of study may provide long-term data on an individual.
What is a case study?
The condition or behavior that researchers manipulate is called the _____________.
What is independent variable?
A ________ sample of a group is one that includes all the different types of people that are members of that group.
What is representative?
When subjects in the control group think the drug has caused a change in their physical state it is called ____________.
What is the placebo effect?
This type of statistics indicates whether research is statistically significant enough to support a hypothesis.
What is inferential statistics?
A(n) __________________ study examines a large number of subjects for a limited purpose.
What is quantitative?
This is a common method of gathering data that often consists of interviews and questionnaires.
What is a survey?
A large number of people that is not typical of the members of a group is a(n) __________________ sample.
What is nonrepresentative?
When research subjects have expectations about their behavior that makes them act in a certain way, causing them to carry out that behavior, it is called a ________________.
What is self-fulfilling prophecy.
Frequency distributions are a type of ___________ statistic.
What is descriptive?
This kind of study looks at people in different age groups simultaneously.
Cross-sectional
A(n) __________________ study looks at the same group of people over a period of time
What is longitudinal?
A sample of a group that consists of deliberately selected members of various types of subgroups is a(n) __________________ sample.
What is stratified?
Who creates the rules regarding ethical issues and treatment of subjects in their studies that researchers must follow?
What is the American Psychological Association (APA)?