Your two-year-old niece uses the word "milk" to apply to anything that she drinks. This is an example of underextension.
Answer the following statement true (T) or false (F)
False
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A regression equation was derived from a small sample in which X and Y correlated .6 . The equation is Y´ = 6X + 15 . Suppose this equation were applied to a second sample. It is likely that the correlation between the scores predicted from this equation and the observed scores will be
a. 0. b. less than 0.6. c. approximately 0.6. d. greater than 0.6.
Fill in the missing words using the options given. Methodological problems exist within many RCTs that compare NRT to (2) ______. This is because smokers in the (3) ______ condition can detect that they are not receiving any (4) ______ (Mooney, White, & Hatsukami, 2004; Polito, 2008). Dar, Stronguin and Etter (2005) found that (5) ______ group members were 3.3 times more likely to correctly guess that they had received placebo than to incorrectly guess that they had received nicotine (54.5% v. 16.4%). If the trials in a RCT are not (6) ______, the findings give a misleading picture of treatment effectiveness. Which word is a best fit?
A. nicotine B. control C. double blind D. placebo
The variance can best be thought of as the
a. average of the squared deviations from the mean. b. average of the absolute deviations from the mean. c. average of the deviations from the median. d. square of the mean.
Which of the following happens during stage one of labor?
a. Crowning b. Placenta expulsion c. Cervical effacement d. Episiotomy