Non-nuclear families suffer from a lack of traditional structure
Indicate whether the statement is true or false
False
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When salt is added to liquid water, the freezing point is _______________.
Fill in the blank(s) with the appropriate word(s).
Why is it a good idea to leave an outdoor area without grass?
a. The children can use it for a garden. b. The children will ruin any grass that is there. c. Some children are allergic to grass. d. Grass is full of germs.
A significant interaction between factor A and factor B indicates:
a. either the main effect for factor A or the main effect for factor B is also significant, but not both b. both the main effect for factor A and factor B must also be significant c. neither of the two main effects is significant d. the significance of the interaction has no implications for the main effects
If a researcher varied the amount of sleep men versus women received and then measured their memory span while controlling for stress, which of the following would be an independent variable (IV), operationally defined dependent variable (DV), attribute variable (EV), and extraneous variable (EV), respectively? (Be careful here.)
A) memory; amount of sleep; stress; sex B) amount of sleep; memory quality; sex; stress C) stress; sex; amount of sleep; memory D) sex; score on memory task; stress; amount of sleep E) amount of sleep; score on memory task; sex; stress