The reason that our F value will always be a positive value is that we use variance terms in the F ratio instead of sample mean differences in our calculations.
Answer the following statement true (T) or false (F)
True
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When Salina was a young girl, a dog viciously attacked her as she was walking along a white picket fence. Since then, she displays intense fear of white picket fences. Salina is demonstrating
a. a discriminative stimulus. b. superstitious behavior. c. stimulus discrimination. d. a phobia. e. spontaneous recovery.
Analysis of facial muscles during emotional displays has revealed that ________
a. most individuals are able to mimic grief accurately, getting the facial muscles just right. b. false smiles tend to last 10 seconds or more, but authentic smiles last only about 2 seconds. c. false expressions use the same groups of muscles that are used in authentic expressions. d. physiological responses ensure that facial expressions convey the emotion being felt.
Gustav Fechner used the term _______ _______ to refer to the weakest amount of a stimulus that can be distinguished from no stimulus at all
Fill in the blank(s) with correct word
Which of the following was not a fearful happening in the article?
a. a combat flight b. getting a book contract c. leaving a relationship d. making a speech