Unit 2 Vocab Flashcards
(60 cards)
The variable manipulated by the researcher.
Independent Variable
One variable increases as the other decreases- like hours on TikTok & grades.
Negative Correlation
A score indicating the percentage of scores in a distribution that a particular score is above.
Percentile Rank
Overestimating the accuracy of our knowledge.
Overconfidence
Group exposed to the experimental treatment.
Experimental Group
Ensuring participant information is kept private.
Confidentiality
Specific, precise definitions of variables in terms of the operations or techniques used to measure or manipulate them in a study.
Operational Definitions
Capable of being disproven by evidence.
Falsifiable
Misleading participants about the true purpose of the study.
Deception
Entire group of interest in a study.
Population
Testable prediction about the relationship between variables.
Hypothesis
Most frequently occurring value in a set of numbers.
Mode
Inactive substance given to the control group.
Placebo
Tendency to respond to surveys in a way that is viewed favorably by others.
Social Desirability Bias
Observing behavior in its natural environment.
Naturalistic Observation
Sample that accurately reflects the population.
Representative Sample
Repeating a study to verify results.
Replication
Only participants are unaware of their group assignment.
Single-Blind Study
Neither participants nor researchers know who is in the control or experimental group.
Double-Blind Study
Average of a set of numbers.
Mean
A distribution where most of the data points are clustered on the left, with a long tail on the right side, indicating that the mean is greater than the median.
Positive Skew
Both variables increase together Like ice cream and temperature
Positive Correlation
Explaining the purpose and procedures of the study to participants afterward.
Debriefing
Group not exposed to the experimental treatment.
Control Group