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Flashcards in Chapter 1 Deck (44)
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31

Naturalistic Observation

Provides info on how ppl behave but not why

32

Selection Factor

type of bias in which differences between experimental and control group result from diffs in types of particpants not the IV

33

attention-placebo control group

participants are exposed to a believable or credible treatment that contains the nonspecific factors that all therapies share but not the specific one in the IV

34

Internal validity 

when the observed changes in the DV are caused by the IV

35

External Validity

the generalizability of results of an experimental study to other subjects. 

36

Construct Validity 

higher level of validity. The degree to which treatment effects can be accounted for by the theoretical mechanisms or constructs represented in the IV. (must do what you said it was going to do). Can never be certain of this. 

37

Kinship studies 

Attempt to disentangle the roles of heredity and environment. 

38

Genes

Regulate the development of traits. Chromos house are genes. There are 20,000 to 25,000 genes in the human body. 

39

Genotype vs. Phenotype

G is the set of traits specified by our genetic codeP is the expressed traits. It is the combo of genetics and eviro. 

40

Proband

The case first diagnosed. 

41

Monozygotic twins

100% genetic overlap, identical twins. Zygote divides into two cells

42

Dizygotic twins

50% overlap, fraternal twins, two Zygotes fertilized. 

43

Concordance rate

the percentage of cases in both twins with the same disorder (higher for MZ twins)

44

single case experimental design

developed due to lack of control in traditional case study. Subjects serve as own controls most common is the reversal design or ABAB- baseling/treatment/baseline/treatment