Developmental Psychology Vocabulary 2-5 - Copy

Developmental Psychology Vocabulary 2-5 - Copy -...

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Developmental Psychology Vocabulary Chapter 1: Intro Reliability- the degree to which indepnet measurements of a given behavior are consistent. Interrater reliability- the amount of agreement in the observations of different raters who witnesss the same behavior Test-retest reliability- the degree of similarity of a child’s performance on two or more occasions Validity- the degree to which a test measures what is its intended measure Internal validity- the degree to which effects observed within experiments can be attributed to the variables that the researcher intentionally manipulated. External validity- the degree to which results can be generalized beyond the particulars of the research Structured interview- a research procedure in which all participans are asked to answer the same questions Clinical interview- a procedure in which the questions are adjusted in accord with the answers the interviewee provides Clinical interviews can elicit in-depth information about a child Naturalistic observation- the examination of ongoing behavior not controlled by the researcher Structured observation- a method that involves presenting an identical situation to each child and recording the child’s behavior Variables- attributes that vary across individuals and situations, such as age, gender, and expectations Correlational designs- studies intended to indicate how variables are related to each other Correlation- the association between two variables Correlation coefficient- a statistic that indicates the direction and strength of a correlation Direction-of-causation problem- the concept that a correlation between two variables does not indicate which, if either, variable is the cause of the other Third-variable problem- the concept that a correlation between two variables may stem from both being influenced by some third variable Correlation does not equal causation Experimental designs- a group of approaches that allow inferences about causes and effects to be drawn Random assignment- a procedure in which each child has an equal chance of being assigned to each group within an experiment Experimental control- the ability of researchers to determine the specific experiences that children have during the course of an experiment Experimental group- a group of children in an experimental design who are presented the experience of interest Control group- the group of children in an experimental design who are not presented the experience of interest but in other ways are treated similarly Independent variable- the experience that children in the experimental group receive and that children in the control group do not receive, the x axis on a graph Dependent variable- a behavior that is measured to determine whether it is affected by exposure to the independent variable Cross sectional design- a research method in which children of different ages are compared on a given behavior or characteristic over a short period of time
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Developmental Psychology Vocabulary 2-5 - Copy -...

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