Understanding the SCIENCE in nutrition

• Scientific method description in textbook• NEL’s Research Studies Grade Classification

Chart• Additional selected vocabulary– Control group– Blinding (single & double)– Objective & subjective measurements– Prospective, retrospective

• Your questions?

Find this information in the abstract Fill in this column with your answersTitle of the research article

Name of journal (PubMed is a database not a journal name) Year of publication

Research purpose or hypothesis (if stated)

Type of study

The subjects were

If humans, describe the target population

Number of subjects (if applicable)

Length of study (if applicable)

Briefly describe the intervention (if applicable)

What was the conclusion?

Does the conclusion in this abstract agree with the overall conclusion from the Nutrition Evidence Library? Why or why not?

Find this information in the abstract Fill in this column with your answersTitle of the research article Skim milk compared with a fruit drink acutely reduces

appetite and energy intake in overweight men and women

Name of journal (PubMed is a database not a journal name)

Am J Clin Nutr

Year of publication 2009

Research purpose or hypothesis (if stated)

Type of study

The subjects were

If humans, describe the target population

Number of subjects (if applicable)

Length of study (if applicable)

Briefly describe the intervention (if applicable)

What was the conclusion?

Does the conclusion in this abstract agree with the overall conclusion from the Nutrition Evidence Library? Why or why not?

Find this information in the abstract Fill in this column with your answersTitle of the research article Skim milk compared with a fruit drink acutely reduces

appetite and energy intake in overweight men and women

Name of journal (PubMed is a database not a journal name)

Am J Clin Nutr

Year of publication 2009

Research purpose or hypothesis (if stated) To see if skim milk or a fruit drink for breakfast, with the same number calories, affects satiety and energy intake at lunch

Type of study

The subjects were

If humans, describe the target population

Number of subjects (if applicable)

Length of study (if applicable)

Briefly describe the intervention (if applicable)

What was the conclusion?

Does the conclusion in this abstract agree with the overall conclusion from the Nutrition Evidence Library? Why or why not?

Find this information in the abstract Fill in this column with your answersTitle of the research article Skim milk compared with a fruit drink acutely reduces

appetite and energy intake in overweight men and women

Name of journal (PubMed is a database not a journal name)

Am J Clin Nutr

Year of publication 2009

Research purpose or hypothesis (if stated) To see if skim milk or a fruit drink for breakfast, with the same number calories, affects satiety and energy intake at lunch

Type of study Randomized clinical trial (crossover)

The subjects were

If humans, describe the target population

Number of subjects (if applicable)

Length of study (if applicable)

Briefly describe the intervention (if applicable)

What was the conclusion?

Does the conclusion in this abstract agree with the overall conclusion from the Nutrition Evidence Library? Why or why not?

Find this information in the abstract Fill in this column with your answersTitle of the research article Skim milk compared with a fruit drink acutely reduces

appetite and energy intake in overweight men and women

Name of journal (PubMed is a database not a journal name)

Am J Clin Nutr

Year of publication 2009

Research purpose or hypothesis (if stated) To see if skim milk or a fruit drink for breakfast, with the same number calories, affects satiety and energy intake at lunch

Type of study Randomized clinical trial (crossover)

The subjects were _X_humans ___ animals ___ cells ___ other

If humans, describe the target population Overweight women and men

Number of subjects (if applicable) 34

Length of study (if applicable)

Briefly describe the intervention (if applicable)

What was the conclusion?

Does the conclusion in this abstract agree with the overall conclusion from the Nutrition Evidence Library? Why or why not?

Find this information in the abstract Fill in this column with your answersTitle of the research article Skim milk compared with a fruit drink acutely reduces

appetite and energy intake in overweight men and women

Name of journal (PubMed is a database not a journal name)

Am J Clin Nutr

Year of publication 2009

Research purpose or hypothesis (if stated) To see if skim milk or a fruit drink for breakfast, with the same number calories, affects satiety and energy intake at lunch

Type of study Randomized clinical trial (crossover)

The subjects were _X_humans ___ animals ___ cells ___ other

If humans, describe the target population Overweight women and men

Number of subjects (if applicable) 34

Length of study (if applicable) 1 week (2 sessions, one week apart)

Briefly describe the intervention (if applicable)

What was the conclusion?

Does the conclusion in this abstract agree with the overall conclusion from the Nutrition Evidence Library? Why or why not?

Find this information in the abstract Fill in this column with your answersTitle of the research article Skim milk compared with a fruit drink acutely reduces

appetite and energy intake in overweight men and women

Name of journal (PubMed is a database not a journal name)

Am J Clin Nutr

Year of publication 2009

Research purpose or hypothesis (if stated) To see if skim milk or a fruit drink for breakfast, with the same number calories, affects satiety and energy intake at lunch

Type of study Randomized clinical trial (crossover)

The subjects were _X_humans ___ animals ___ cells ___ other

If humans, describe the target population Overweight women and men

Number of subjects (if applicable) 34

Length of study (if applicable) 1 week (2 sessions, one week apart)

Briefly describe the intervention (if applicable) The subjects drank either skim milk or a fruit drink at breakfast. They reported their feelings of satiety throughout the morning, and researchers measured the subjects’ energy intake at lunch.

What was the conclusion?

Does the conclusion in this abstract agree with the overall conclusion from the Nutrition Evidence Library? Why or why not?

Find this information in the abstract Fill in this column with your answersTitle of the research article Skim milk compared with a fruit drink acutely reduces

appetite and energy intake in overweight men and women

Name of journal (PubMed is a database not a journal name)

Am J Clin Nutr

Year of publication 2009

Research purpose or hypothesis (if stated) To see if skim milk or a fruit drink for breakfast, with the same number calories, affects satiety and energy intake at lunch

Type of study Randomized clinical trial (crossover)

The subjects were _X_humans ___ animals ___ cells ___ other

If humans, describe the target population Overweight women and men

Number of subjects (if applicable) 34

Length of study (if applicable) 1 week (2 sessions, one week apart)

Briefly describe the intervention (if applicable) The subjects drank either skim milk or a fruit drink at breakfast. They reported their feelings of satiety throughout the morning, and researchers measured the subjects’ energy intake at lunch.

What was the conclusion? The breakfast that included skim milk resulted in greater satiety (feeling full longer) and lower energy intake at lunch.

Does the conclusion in this abstract agree with the overall conclusion from the Nutrition Evidence Library? Why or why not?

The conclusion from the Nutrition Evidence Library

Question: What is the relationship between the intake of milk and milk products and body weight?

Overall conclusion from the Nutrition Evidence Library based on all relevant research• Strong evidence demonstrates that intake of

milk and milk products provides no unique role in weight control.

Find this information in the abstract Fill in this column with your answersTitle of the research article Skim milk compared with a fruit drink acutely reduces

appetite and energy intake in overweight men and women

Name of journal (PubMed is a database not a journal name)

Am J Clin Nutr

Year of publication 2009

Research purpose or hypothesis (if stated) To see if skim milk or a fruit drink for breakfast, with the same number calories, affects satiety and energy intake at lunch

Type of study Randomized clinical trial (crossover)

The subjects were _X_humans ___ animals ___ cells ___ other

If humans, describe the target population Overweight women and men

Number of subjects (if applicable) 34

Length of study (if applicable) 1 week (2 sessions, one week apart)

Briefly describe the intervention (if applicable) The subjects drank either skim milk or a fruit drink at breakfast. They reported their feelings of satiety throughout the morning, and researchers measured the subjects’ energy intake at lunch.

What was the conclusion? The breakfast that included skim milk resulted in greater satiety (feeling full longer) and lower energy intake at lunch.

Does the conclusion in this abstract agree with the overall conclusion from the Nutrition Evidence Library? Why or why not?

___ Yes __X_No Why or why not? This study looks like milk might make a difference, if consumed at breakfast instead of fruit drink

Practice

• Find the information in the other 2 abstracts