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compares multiple segments of a population at a single time

when an experiment involved deception, participants are told complete and truthful information about the experiment at its conclusion

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purposely misleading experiment participants in order to maintain the integrity of the experiment

results are predicted based on a general premise

variable that the researcher measures to see how much effect the independent variable had

experiment in which both the researchers and the participants are blind to group assignments

grounded in objective, tangible evidence that can be observed time and time again, regardless of who is observing

group designed to answer the research question; experimental manipulation is the only difference between the experimental and control groups, so any differences between the two are due to experimental manipulation rather than chance

researcher expectations skew the results of the study

objective and verifiable observation, established using evidence collected through empirical research

able to be disproven by experimental results

Chapter 2 | Psychological Research 67

 

 

generalize

hypothesis

illusory correlation

independent variable

inductive reasoning

informed consent

Institutional Animal Care and Use Committee (IACUC)

Institutional Review Board (IRB)

inter-rater reliability

longitudinal research

naturalistic observation

negative correlation

observer bias

operational definition

opinion

participants

peer-reviewed journal article

placebo effect

population

positive correlation

random assignment

inferring that the results for a sample apply to the larger population

(plural: hypotheses) tentative and testable statement about the relationship between two or more variables

seeing relationships between two things when in reality no such relationship exists

variable that is influenced or controlled by the experimenter; in a sound experimental study, the independent variable is the only important difference between the experimental and control group

conclusions are drawn from observations

process of informing a research participant about what to expect during an experiment, any risks involved, and the implications of the research, and then obtaining the person’s consent to participate

committee of administrators, scientists, veterinarians, and community members that reviews proposals for research involving non-human animals

committee of administrators, scientists, and community members that reviews proposals for research involving human participants

measure of agreement among observers on how they record and classify a particular event

studies in which the same group of individuals is surveyed or measured repeatedly over an extended period of time

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