________ Validity Refers to the Degree Results from a Sample

question 8

Short Answer

________ validity refers to the degree results from a sample can be generalized to the entire population.

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Definitions:

Random Sequences

Sequences of numbers or events where each member has an equal probability of occurring and the occurrence of each member is independent of the others.

Placebo Effect

A beneficial effect, produced by a placebo drug or treatment, that cannot be attributed to the properties of the placebo itself, and must therefore be due to the patient's belief in that treatment.

Double-Blind Procedures

Experimental procedures in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.

Placebo Effects

The phenomenon in which a person experiences a physical or psychological improvement after receiving a treatment that has no therapeutic value.