Experiments are high on internal validity because:

a) the conditions can be replicated by other experimenters
b) they involve an independent as well as dependent variable
c) they involve numeric observations that can be statistically analysed
d) they are carried out inside laboratories.


CORRECT = D

Psychology

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A mental image is:

a. a mental representation that mirrors or resembles the thing it represents. b. a mental category that groups objects, relations, activities, abstractions, or qualities having common properties. c. a unit of meaning that is made up of concepts and expresses a single idea. d. an integrated mental network of knowledge, beliefs, and expectations concerning a particular topic or aspect of the world.

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Brain development in infancy and toddlerhood is

A) often characterized by a series of discrete stages. B) jointly influenced by genetically programmed events and the child's experiences. C) slow and steady, and mostly influenced by genetically programmed events. D) primarily influenced by the child's experiences with the environment.

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The World Health Organization identifies obesity as a high

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Psychology