QUESTION 1 1. What type of study is described in the provided article? experimen

Question

QUESTION 1

1.       What type of study is described in the provided article?

experimental

observational

1 points   

QUESTION 2

1.       What type of study is described in the provided article?

matched pairs

prospective

retrospective

QUESTION 3

1.       What type of control was used in this study?

There was no case-control in this observational study.

There was case-control in this observational study.

There was no control group in this experimental study.

There was a control group in this experimental study.

QUESTION 4

1.       The study was randomized.

True

False

QUESTION 5

1.       How did the researchers collect data for this study?

They conducted a random sample.

They conducted personal interviews.

They used data collected from another study.

They conducted telephone interviews.

1 points   

QUESTION 6

1.       How large was the sample size? (Give numeric value only.)

QUESTION 7

1.       What (who) were the subjects or participants in this study?

all British citizens born in 1970

parents in the British Cohort Study

children born in the UK during a particular week in 1970

male children born in the UK in 1970

QUESTION 8

1.       Select all of the following that are variables in this study.

daily confectionary consumption at 10 years of age

conviction for violence by 34 years of age

gender of child

69% of respondents who were violent by age 34 ate confectionary nearly every day at age 10

QUESTION 9

1.       Select all that are CATEGORICAL variables in this study.

daily confectionary consumption at 10 years of age

conviction for violence by 34 years of age

gender of child

69% of respondents who were violent by age 34 ate confectionary nearly every day at age 10

none of these variable are categorical

QUESTION 10

1.       Select all that are QUANTITATIVE variables in this study.

daily confectionary consumption at 10 years of age

conviction for violence by 34 years of age

gender of child

69% of respondents who were violent by age 34 ate confectionary nearly every day at age 10

none of these variable are quantitative

QUESTION 11

1.       Select all that are RESPONSE variables in this study.

daily confectionary consumption at 10 years of age

conviction for violence by 34 years of age

gender of child

69% of respondents who were violent by age 34 ate confectionary nearly every day at age 10

none of these variable are response variables

QUESTION 12

1.       Select all that are EXPLANATORY variables in this study. (NOTE: Explanatory variables are NOT control variables.)

daily confectionary consumption at 10 years of age

conviction for violence by 34 years of age

gender of child

69% of respondents who were violent by age 34 ate confectionary nearly every day at age 10

none of these variable are explanatory variables

QUESTION 13

1.       Select all that are SAMPLE STATISTICS in this study.

daily confectionary consumption at 10 years of age

conviction for violence by 34 years of age

gender of child

69% of respondents who were violent by age 34 ate confectionary nearly every day at age 10

none of these are sample statistics

  

QUESTION 14

1.       Select all that are LIMITATIONS (i.e. possible biases) in this study.

The study did not use random sampling, which introduces sampling bias.

Some respondents did not participate in all parts of the study, which introduces nonresponse bias.

There is no bias because this study used a very large sample size.

QUESTION 15

1.       Select the ONE statement below that is true.

The researchers claim that this study established that eating confectionary daily causes a person to be more likely to commit at least one violent act in adulthood.

The researchers claim that this study established that eating confectionary daily is associated with increased likelihood to commit at least one violent act in adulthood.

The researchers claim that this study established that there is a relationship between the amount of confectionary eaten daily and the number of violent adults.

The researchers claim that this study established that eating confectionary daily prevents children from learning to "defer gratification."

http://content.time.com/time/health/article/0,8599,1927347,00.html

experimental

observational

Downloaded from http://bjp.rcpsych.org/ on September 22, 2014 Published by The Royal College of Psychiatrists

Explanation / Answer

1) OBSERVATIONAL.

2) PROSPECTIVE STUDY

3) No case-control in this observational study.

4) TRUE

5) RANDOM SAMPLE

6) 17000

7) children born in the UK during a particular week in 1970

8) daily confectionary consumption at 10 years of age

9) GENDER OF THE CHILD IS A CATEGORICAL VARIABLE

10)daily confectionary consumption at 10 years of age, 69% of respondents who were violent by age 34 ate confectionary nearly every day at age 10 and conviction for violence by 34 years of age.

11) conviction for violence by 34 years of age

12)daily confectionary consumption at 10 years of age

13)69% of respondents who were violent by age 34 ate confectionary nearly every day at age 10

14) There is no bias because this study used a very large sample size.

15) The researchers claim that this study established that eating confectionary daily is associated with increased likelihood to commit at least one violent act in adulthood.

PLEASE NOTE: I hope it will help you.

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