Psychology Vocabulary Quiz
Preview:
type of descriptive statistic that is a single value that attempts to describe a set of data by identifying the central position within that set of data. These measures include mean ,median, and mode
A. Naturalistic observations
B. Measure of central tendency
C. Measure of variation
When the researcher himself alters or changes the result of the study. For example, a teacher studying differences in math skills between boys and girls might spend more time teaching boys because he/she believes that boys are better at math
A. Operational definitions
B. Overconfidence
C. Observer bias
D. Random sample
an observation technique in which one person is studied in depth in the hope of revealing universal principles
A. Confidentiality
B. Case study
C. Experiment
D. Hypothesis
a statistical index of the relationship between two things (from -1 to +1)
A. Experimental group
B. Statistical significance
C. Correlation coefficient
D. Inferential statistics
a simulated or otherwise medically ineffectual (fake) treatment for a disease or other medical condition intended to deceive the recipient. Often given to the control group in an experiment.
A. Scatterplot
B. Placebo effect
C. Skewed distribution
D. Placebo
the outcome factor; the variable that may change in response t manipulations of the independent variable
A. Independent variable
B. Dependent variable
C. Histogram
observing and recording behavior in naturally occurring situations without trying to manipulate and control the situation.
A. Skewed distribution
B. Theory
C. Social desirability bias
D. Naturalistic observations
refers to how spread apart the scores of the distribution are or how much the scores vary from each other. There are four major measures of variability, including the range, interquartile range variance, and standard deviation
A. Measure of central tendency
B. Measures of variation
C. Null hypothesis
D. Operational definitions
in an experiment, the group that is not exposed to the treatment: contrast with the experimental group ad serves as a comparison for evaluation the effects of the treatment
A. Debrief
B. Experimental group
C. Control group
D. Inferential statistics
a factory other than the independent variable that might produce an effect in an experiment
A. Operational definition
B. Independent variable
C. Measures of variation
D. Confounding variables
when patients given a placebo treatment will have a perceived or actual improvement in a medical condition
A. Random assignments
B. placebo effect
C. placebo
D. Replicate
the perception of a relationship where none exist
A. Independent variable
B. Illusory correlation
C. Inferential statistics
D. Measure of central tendency
All the cases in a group being studied, from which samples may be drawn
A. Population
B. Random sample
C. Random assignments
D. Sampling bias
a graph that shows the frequency between two things
A. Histogram
B. Hypothesis
C. Mode
D. Population
in an experiment when neither the participants nor the researchers know who belongs to the control group and who belongs to the experimental group. Only after all the data have been recorded (and in some cases, analyzed) do the researchers learn which individuals are which.
A. Single-blind procedure
B. Inferential statistics
C. Double-blind procedure
D. Measure of central tendency