Lecture 2.1winter08- - Which of the following correlation...

Info iconThis preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Which of the following correlation coefficients indicates the strongest relationship between variables? A. positive .05 B. negative .25 C. positive .75 D. negative .95
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Which of the following represents the average score in a distribution? A. the mode B. the mean C. the median D. the standard deviation
Background image of page 2
3 Dr. Anderson conducts an experiment to see whether exposure to helpful models leads to helping behavior in young children. Of the forty girls and boys in his study, half are exposed to helpful models while the other half watch the same models not engaged in helping behavior. In this experiment, the dependent variable is: A. the gender of the children. B. helpful or non-helpful models. C. the age of the children. D. helping behavior.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 Which of the following is the best way to generate a random sample of students for a research study? A. mail out a questionnaire that students could voluntarily complete and return B. stand by the door of the library and ask people who pass by to answer your questions C. offer extra credit for students in a particular classroom who choose to participate D. use a table of random numbers to pick participants from a student listing
Background image of page 4
5 A significant disadvantage of the correlational approach is that it: A. does not provide evidence of cause and effect. B. cannot be used to examine relationships between variables that exist naturally. C. does not aid in the process of prediction. D. does not provide information about how two variables are related.
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
6 After conducting an experiment, Dr. Fitzpatrick concluded that there was a statistically significant difference between the scores of the experimental and control groups. In other words, A. the difference is highly meaningful and important to scientists. B. the results are replicable. C. the scores differed by five points or more. D. it is unlikely that the difference occurred by chance.
Background image of page 6
7 Independent Variable  is a factor, manipulated by the  experimenter, and whose effect is being studied. For example, to study the effect of breast feeding on intelligence.  Breast feeding  is the independent variable. Independent Variable
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
8 Dependent Variable  is a factor that may change in response to  independent variable. In psychology it is usually a behavior or a  mental process. For example, in our study on the effect of breast feeding on  intelligence. Intelligence  is the dependent variable. Dependent Variable
Background image of page 8
9 Lecture 3 Understanding People From Different angles
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
10 QuickTime and a TIFF (Uncompressed) decompressor are needed to see this picture.
Background image of page 10
The Brain Techniques to Study the Brain Brain  lesion  experimentally destroys  brain tissue to study  animal behaviors after  such destruction. Hubel (1990)
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 12
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 72

Lecture 2.1winter08- - Which of the following correlation...

This preview shows document pages 1 - 12. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online