7. Surveys are MOST useful when researchers wish to A) explain why people behave

Question

7. Surveys are MOST useful when researchers wish to A) explain why people behave in a particular manner B) gather information that is unbiased and accurate C) collect information about behavior, beliefs, and attitudes D) All the answers are correct. 8. A study is a research method used to determine how well one variable predicts another variable. A) correlational B) experimental C) descriptive D) All of these research methods can be used to make predictions about variables. 9. "Negative correlation" is the answer to which question? What is an inverse relationship between two variables? What is a direct relationship between two variables? What is a correlation that describes a negative variable? A) B) C) outcome from a manipulated D) What is a correlation that predicts a negative outcome from a manipulated variable? 10. Which illustrates the use of control in experimentation? A) random assignment B) a placebo group C) the double-blind procedure D) All the answers are correct. What is the median of the following set of scores: 3, 6, 0, 7,2,2,8? A) 2 ?) ? C) 4 D) 7 11. 12. Atypical scores are MOST likely to distort A) the mean B) the median C) the mode D) both the median and mode 13. The cells comprising the support system in the nervous system are the and the cells responsible for receiving, sending, and integrating information in the nervous system are the A) neurons; glial cells B) glial cells; neurons C) glial cells; glial cells D) neurons; neurons

Explanation / Answer

1.Option C) Surveys are a structured method of data collection when a large amount of data is required in a quick time, however the responses may be biased or not completely filled if the individual avoids or misses a question.

2.Option A) one variable is called predictor and the other outcome

All three methods can be used to study variables but not the effect of one on another. Experimental method studies the effect of manipulating one variable to see the change in other, correlation is the association between two variables and descriptive method studies changes in variables over time to predict further changes.

3.Option A)

Negative correlation is when there iscan inverse association between two variables, one increases the other decreases and vice versa.

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