A researcher wants to know whether eating chocolate makes people nervous. Some participants are given two bars of chocolate to eat and some are given no chocolate at all,
and then all of the participants are tested for nervousness an hour later. In this experiment, the amount of chocolate eaten is the independent variable.
Indicate whether this statement is true or false.
True
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Why are preterm infants at a high risk of illness and death?
A. They usually have to be born by cesarean section. B. They have not had time to fully develop. C. Their mothers have used anesthesia during childbirth. D. They have a chromosomal disorder.
The focus of operant conditioning is on how:
A. people learn from the examples of others without themselves being reinforced B. repetition results in reflexive habits without awareness C. behavior is influenced by its consequences and whether they increase or decrease the likelihood of that behavior being repeated D. stimuli are paired to elicit a response
What can we conclude about the relationship between a person's age of acquisition of a second language and his or her mastery of grammar?
a. So far, no research has demonstrated a relationship between these two variables. b. Linguistically skilled individuals tend to master grammar better if they learn a second language during childhood; individuals with below-average skills tend to master grammar better if they learn a second language during adulthood. c. The results clearly support the critical period hypothesis, because people have greater mastery of grammar if they learn a second language during childhood. d. The results are complicated, because the answer depends on the match between the two languages, as well as the amount of education in the second language.
If an empowered employee makes a wrong decision, a manager should:
a. train the employee b. place the employee on a lower input level c. ignore the problem d. keep track of any future problems