In ______ studies, where internal validity is increased through control of the measurement of the behaviors and the situations in which they are observed, researchers often employ more systematic and controlled measures.
A. nonexperimental
B. mixed-methods
C. experimental
D. quasi-experimental
Answer: C
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Which of the following is a positive influence researchers have identified of one sibling on another?
A. Older siblings can have a positive impact on the parent-child relationship of the younger sibling. B. Younger siblings can have a positive impact on the parent-child relationship of the older sibling. C. Second-born children show an increase in parent-child conflict in early adolescence, but this does not happen with first-born children. D. Younger siblings create a zone of proximal development to assist older siblings.
After brain surgery, a rat no longer shows normal emotional responses to stimuli that
would otherwise cause anxiety and stress. Apparently during surgery, this animal's __________ was damaged. a. hippocampus b. amygdala c. thalamus d. cerebellum e. hypothalamus
Because it is not always possible to conduct experiments,
psychologists gather evidence and test hypotheses by using all of the following nonexperimental methods EXCEPT for the method. a. case study b. correlational c. naturalistic observation d. pseudoscientific
Differences exist in the timing of development in children from different cultural groups
Indicate whether the statement is true or false