According to Fechner, the “just noticeable difference” is the _________.

a. the minimal change that is detectable in a physical stimulus’s intensity
b. minimal stimulus required for differentiating one response mechanism from another
c. measure of sensory activity with a generated by a constant stimulus
d. the minimal stimulus intensity that can be detected


Answer: a. the minimal change that is detectable in a physical stimulus’s intensity

Psychology

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When people believe that someone is trying to persuade them of something (and thus take away their freedom of choice), they experience a negative emotional response called ____

a. psychological reactance b. inoculation c. yielding d. sensory overload

Psychology

When adoption studies of schizophrenia contain all the necessary controls and measurements,

a. the role of genes is found to be negligible. b. index subjects are more likely to develop schizophrenia than the control subjects. c. the environment is found to be a more important determinant of psychological health than family history. d. no significant effects are seen.

Psychology

Approximately ________ of women are widowed by age 65.

A. 20% B. 35% C. 25% D. 30%

Psychology

Social psychologists use the term ________ to describe our tendency to ignore situational and environmental forces when explaining the behavior of other people and instead to focus on internal dispositions.

A. functional dynamics B. solutions or mechanisms C. fundamental situational error D. fundamental attribution error

Psychology