Credibility and uses of psychological experimental evidence

I noted that he did not check under my arms and did not ask me to raise my arms. These allegations originate as rumors but eventually acquire the appearance of verified facts. There are two research methods used to gather empirical measurements and data: She said that he massaged her breasts in a sexual manner and seemed to be deriving sexual pleasure.

As opposed to the approaches of psychical research, which generally sought qualitative evidence for paranormal phenomena, the experiments at Duke University proffered a quantitativestatistical approach using cards and dice.


Rhine proposed that the group form itself into the nucleus of an international professional society in parapsychology. Identifying data are altered to protect the anonymity of the individuals in the case descriptions.

Preregistration, Replication, and Nonexperimental Studies

The origins of intelligence in children translated by M. Do we have to give up on the hope of replication and robustness for this type of study?

Test validity

In Cases 1 through 4, the plaintiffs denied that similar events had happened. Evidence to support or question the validity of an interpretation can be categorized into one of five categories: They agreed that she resisted and said that they should not be having such contact, but that she did not actively push him away.

Eileen Garrett we fail to find the slightest confirmation of J. If a phenomenon is discoverable under these messy conditions, it is likely to be a robust one that is worthy of explanation. In addition, we discuss how, from a clinical perspective, perceptions of being harmed can lead to psychological sequelae, but may not be legally relevant to determinations of what actually happened.

Perception of information about future places or events before they occur. Evidence based on test content Evidence based on response processes Evidence based on internal structure Evidence based on relations to other variables Evidence based on consequences of testing Techniques to gather each type of evidence should only be employed when they yield information that would support or question the propositions required for the interpretation in question.

In Cases 1 through 4, there was no evidence of prior lawsuits or exaggeration of symptoms.


Alexander Raths Shutterstock Empirical evidence is information acquired by observation or experimentation. J Am Acad Psychiatry Law They gradually moved to the bed and had a sexual encounter. Critics pointed out this invalidated the results as she could have simply written her own record to agree with the other.

In addition, forensic evaluators can educate the trier of fact on the point that the presence of documented symptoms does not provide reliable information about whether an event occurred as alleged by the person who developed the symptoms.

As is the case with a plaintiff who has a psychosis, it is important to recognize that even when a plaintiff has confusion, dementia, or mental retardation, the presence of cognitive dysfunction does not preclude the possibility that a specific allegation of abuse is accurate.

The experiment was not repeated. Its formation was proposed by J. The first four cases that were described illustrate these limitations.

The present study investigates the process of an ongoing deceptive interaction in order to characterize the transactional nature of deception and for indices of statement credibility. We discuss ways in which the evaluator can or cannot help the attorneys and the trier of fact determine what happened, and we discuss the role of psychological testing.

It is difficult to control all, or even many, of the variables in a field study. CaffreyPhD psychology tape In this look at a child custody case that ran parallel to a juvenile delinquency case with the same allegations of child-upon-child sexual abuse in both cases the evaluating psychologist will describe the struggles he and the children s law guardian underwent and the discoveries they made in the course of their examinations.

Doing so could save others a great deal of time and, more importantly, could provide a preliminary sense of the boundary conditions under which the phenomenon does, and does not, hold. The strength of any scientific research depends on the ability to gather and analyze empirical data in the most unbiased and controlled fashion possible.

Of course, even though past behavior predicts current behavior, there are many exceptions, and the alleged perpetrator may or may not have acted inappropriately with this particular plaintiff.Validity of assessment instruments requires several sources of evidence to build the case that the instrument measures what it is supposed to measure.,9,10 Determining validity can be viewed as constructing an evidence-based argument regarding how well a tool measures what it is supposed to do.

Evidence can be assembled to support, or not. Psychological Methods The Ironic Effect of Significant Results on the Credibility evidence in psychological journals.

One major recommendation is to pay more attention to the power of in the field of experimental psychology and that it would seem inappropriate to apply a different standard to studies of ESP (Judd.

ABSTRACT - The effect of source credibility on behavioral persistence is tested in an experimental setting The results support the behavioral hypothesis based on self-perception theory the moderately credible source is found to facilitate greater behavioral persistence than a more credible source.

Abstract. Experimental psychology is the aspect of psychological science that explores the human mind and its perceptions and behaviors through experimental methodologies and subsequent interpretation of the obtained results.

the psychological basis of evidence practices: memory ROBERT S. REDMOUNT The Author, a practicing psychologist, is trained for the practice of law and is a member of the.

Empirical Evidence: A Definition

Credibility refers to the objective and subjective components of the believability of a source or message. Traditionally, modern, credibility has two key components: trustworthiness and expertise, which both have objective and subjective components.

Credibility and uses of psychological experimental evidence
Rated 3/5 based on 93 review