A researcher becomes aware that the judges he is using to make observations are becoming more proficient at their task. This improvement among the judges might suggest that __________ represents a potential threat to the internal validity of the study

a. instrumentation
b. history
c. maturation
d. selection


a

Psychology

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A child who has adopted _____ goals aims to prove his or her ability rather than to improve this ability

Fill in the blank(s) with correct word

Psychology

All stage theories of dying are based on the notion that a. the faster the death trajectory, the better

b. there are great cultural differences in the dying process. c. there is a specific direction to the developmental pattern of reacting to one's death. d. the unconscious mind plays a major role in death anxiety.

Psychology

Children who are fearful, easily startled, and confused between reality and fantasy are expressing symptoms of

child abuse. post-traumatic stress disorder. neglect. battered child syndrome.

Psychology

What is the main difference between an experiment and a correlational study?

a. A correlational study involves the manipulation of variables, while an experiment does not. b. An experiment looks at the relationship between independent and dependent variables, while a correlational study looks at the relationship between within-group and between-group variables. c. A correlational study looks at the relationship between independent and dependent variables, while an experiment looks at the relationship between within-group and between-group variables. d. An experiment involves the manipulation of variables, while a correlational study does not. e. An experiment involves naturalistic observation, while a correlational study involves laboratory work.

Psychology