Test-retest reliability is the stability of a measure over time. What is meant by the "stability" of a measure and how does this relate to reliability?
What will be an ideal response?
The "stability" of a measure is the extent to which it is consistent over time. The more stable a measure, the more reliable it is.
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Which of the following statements is true about the heritability ratio of personality traits in humans?
a. ?The heritability ratio does not tell us how an individual’s personality actually develops. b. ?Approximately 50% of the personality traits within a family are produced by genes. c. ?The heritability ratio incorporates the effects of shared and non-shared environments on the production of particular outcomes. d. ?Approximately 50% of a person’s personality traits are produced by genes.
Which of the following is TRUE regarding the resting potential of a neuron?
a. ?In mammals it is about –20 millivolts. b. ?During its resting state, all ionized particles can move freely into and out of the neuron. c. ?The potential is maintained by high concentrations of magnesium outside the neuron. d. ?It can also be referred to as a polarized state.
Dr. Delmar wants to determine how loud a certain noise must be in order for it to be heard from a distance of 50 feet. Her question involves the concept of:
a. relative magnitude. b. difference threshold. c. absolute threshold. d. just noticeable difference (jnd).
The process of quickly acquiring and retaining a word after hearing it applied a few times is called ______.
A. word integration B. fast mapping C. holophrasing D. categorization