Psychology Unit 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Dependent Variable | variable that is being measured in an experiment
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| Independent Variable | the characteristic of a psychology experiment that is manipulated or changed
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| Case Study | descriptive research approach to obtain an in-depth analysis
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| Generalizability | findings that can be generalized to things outside the lab
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| Experiment | a hypothesis being tested
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| Experimental Method | manipulating one variable to see if it'll change another variable (control group and random assignment)
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| Control Groups | the group that does not get the treatment of the experimental group
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| Hypothesis | testable prediction between variables
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| Naturalistic Observation | observing subjects in their natural enviroment
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| Survey | gathering information from an individual
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| Theory | models for understanding human thoughts, emotions, and behaviors, must describe a behavior and predict future behavior
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| Correlation Coefficient | relationship between two variables, statistical
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| Operational Definition | defining the terms that are being tested
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| Experimental Group | the group receiving the variable being tested
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| Correlation Research | determines if there is a relationship between variables
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| Random Assignment | study participants are randomly assigned to different groups, makes sure each person has the same opportunity to be in a certain group
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| Mean | also known as average
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| Median | the midpoint of a data set
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| Mode | most frequent value in a data set
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| Normal Distribution | when data values cluster towards the mean, bell-shapped in a graph
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| Double Blind Study | a study where neither the participants nor the experimenters know who is receiving a particular treatment
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| Sample | selecting a representative group from the population for a study
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| Standard Deviation | scores around the mean of a distribution
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| Statistical Significance | probability of some result from a statistical test occurring by chance
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| Stratified Sample | random sample in which members of the population are first divided into strata, then are randomly selected to be a part of the sample
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| Outliers | values that are distant from most of the other data in a set
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| Reliability | the consistency of a research study or measuring test
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| Correlation Coefficients | shows the strength of a relationship between two variables, -1.0 to +1.0
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| Conformation Bias | tendency to search for information in a way that confirms one's preexisting beliefs
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| Negative Correlation | one variable increases while the other decreases, inverse relationship
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| APA ethical guidelines | rules that should be considered by psychologists in before an experiment
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| Hawthorne effect | the tendency of some people to work harder and perform better when they are participants in an experiment
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| Positive skew | the mean is greater than the median
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| Random Sample | sample where each member of the population has an equal chance of being selected to represent the whole
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| Population | the total group of individuals from which the sample might be drawn
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| Scatter plots | representations of the relationships between two variables
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| Factor analysis | method used to describe variability among observed variables in terms of a potentially lower number of unobserved variables called factors
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| Standardization | Consistency of how tests are administered and scored
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| Validity | a test's ability to measure what it is supposed to measure
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| Variance | a measure of how much values in a data set differ from the mean
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| Percentile Rank | the percentage of scores in its frequency distribution which are lower
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Created by:
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