A sample of n = 4 scores is selected from a population with ? = 50 and ? = 12 . If the sample mean is M = 56, what is the z-score for this sample mean?
a. 0.50 c. 2.00
b. 1.00 d. 4.00
B
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Young adults are especially susceptible to acquiring AIDS because compared to older adults, they are a. more likely to be homosexual
b. more likely to use intravenous drugs. c. less likely to engage in unprotected sex. d. less likely to possess functional immune systems.
An advantage of between-subjects designs is that they require fewer participants than are typically needed for within-subjects designs
a. True b. False Indicate whether the statement is true or false
The _____ states that people tend to make situational attributions for their own behaviours while making dispositional attributions for identical behaviours of others.
A) groupthink theory B) actor–observer effect C) common knowledge effect D) frustration–aggression hypothesis
Answer the following statements true (T) or false (F)
1. Wilhelm Wundt first used reaction time to measure the speed of a nervous impulse. 2. Wilhelm Wundt opened the first psychology laboratory in Leipzig in 1879. 3. Helmholtz developed introspection as a tool for understanding the structure of Consciousness. 4. Introspection as a scientific method failed because it did not generate replicable observations. 5. Functionalists depended on introspection to study subjective observations of personal experience.