Which subcategory of external validity is most likely threatened by homogeneous attrition? Explain.
What will be an ideal response?
Homogeneous attrition would be the biggest threat to population validity because it potentially limits the extent to which results observed in a study are specific to the characteristics of participants in the study.
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A shared notion of reality that is widely accepted, but is a function of society and culture at a given time, is called what?
A. a topical area of lifespan development B. a social construction C. the sum of age ranges D. social development
A synapse is the:
A. part of the dendrite that receives incoming signals B. small space between the end bulb and its neighboring organ, muscle, or cell body C. chemical that transmits signals from one neuron to another D. signal that travels from one neuron to another
Each step in the behavioral chain consists of a:
a. discriminative stimulus b. S-delta c. response d. A and C
Rainey is studying emotional response patterns and how they vary with age. She has an extremely long survey instrument that asks for responses to a variety of situations throughout an individual's life. Because the instrument is so long, her best methodological choice is a(n)____
a. personal interview b. e-mail questionnaire c. group questionnaire d. phone interview