Examlex
The final step in a DNA sequencing reaction is to run the DNA fragments on a gel.What purpose does this serve?
Cognitive Restructuring
A psychotherapeutic process of learning to identify and dispute irrational or maladaptive thoughts known as cognitive distortions, such as "all-or-nothing" thinking.
Pessimistic Attributional Styles
A tendency to habitually explain negative events with causes that are stable, global, and internal.
Internal Validity
The extent to which a research study provides evidence that a causal relationship exists between the variables tested, without influence from external factors.
External Validity
How much the outcomes of a research can be extrapolated to different contexts and different people.
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