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Psychometric Validation of the Italian 8-Item Green Paranoid Thoughts Scale (GPTS-8). [PDF]

Int J Methods Psychiatr Res
Preti A, Masala C, Petretto DR.
europepmc   +1 more source

Internal Validity

, 2017
Chapter 7 begins with an outline and description of five threats to internal validity common to time series designs: history, maturation, instrumentation, regression, and selection. Given the fundamental role of prediction in the modern scientific method, scientific hypotheses are necessarily causal.
Cramer, A.O.J., van Bork, R.
core   +6 more sources

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The internal validity obsession

Behavioral and Brain Sciences, 2022
AbstractUntil social psychology devotes as much attention to construct and external validity as it does to internal validity, the field will continue to produce theories that fail to replicate in the field and cannot be used to meliorate social problems.
Gregory Mitchell, Philip E. Tetlock
openaire   +2 more sources

Internal validity in rehabilitation research

WORK: A Journal of Prevention, Assessment & Rehabilitation, 2005
In experimental research, internal validity is the extent to which the researcher can conclude that the manipulation of the independent variable caused change in the dependent variable. Without causal inference, researchers and research consumers would not be able to meaningfully interpret the results of experiments.
Lysandra, Cook, Phillip D, Rumrill
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The Cost of Internal Validity

The Annals of Thoracic Surgery, 2023
Qiudong, Chen, Michael E, Bowdish
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Validity of a study: Internal and external validity

Cirugía Española (English Edition), 2022
Maria, Sala Serra, Laia, Domingo Torrell
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Internal Validity

Journal of the American Academy of Child & Adolescent Psychiatry, 2000
G A, Morgan, J A, Gliner, R J, Harmon
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An Internal Criterion of Test Validity

Psychological Reports, 1968
It has been suggested that the procedures of construct validation include at least two distinct processes: one is the validation of the test for measuring a hypothesized construct and the other is the validation of the construct, i.e., its usefulness and significance as a part of a theoretical system.
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