Examlex
There are several threats to an experiment's internal validity, explain what diffusion of treatment, experimenter expectancy, and demand characteristics are? How does each threaten internal validity?
Mentally Represent
The process by which the mind holds an internal image or concept of something in the external world.
Infant-Directed Speech
A special speech register used by adults when talking to babies, characterized by higher pitch, slower rate, and exaggerated intonation.
Experiments
Systematic procedures carried out to investigate phenomena, test hypotheses, or demonstrate known facts.
Environments
The surroundings or conditions in which an organism lives or operates, encompassing both natural and built settings, and social and cultural contexts.
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