Later half of chapter one

11 important questions on Later half of chapter one

Experimental method - single blind placebo control study :

subjects are randomly assigned to treatment conditions in which they receive either a active drug or an inert placebo but are kept blind or uniformed about which drug they receive.

Experimental method - internal validity:

the degree to which manipulation of the independent variables can be causally related to changes in the dependent variables

Experimental method - External Validity:

The degree to which experimental results can be generalized to other settings and conditions
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Experimental method - construct validity:

the degree to which treatment effects can be accounted for by the theoretical mechanisms represented in the independent variables

Epidemiological studies - survey method:

a research method in which large samples of people are questioned by means of a survey instrument

Epidemiological studies - random sample:

a sample that is drawn in such a way that every member of a population has an equal chance of being included

Kinship studies - genotype:

the set of traits specified by an individual's genetic code

Kinship studies - proband

the case first diagnosed with a given disorder

Kinship studies - In twin studies researchers...

identify individuals with a specific disorder who are members of MZ  or DZ twin pairs and then study the other twins in the pairs

Kinship studies - adoptee studies :

studies that compare the traits and behavior patterns of adopted children to thos of their biological parents and their adoptive parents

Case study - reversal design

an experimental design that consists of repeated measurement of a subject's behavior through a sequence of alternating baseline and treatment phases

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