BR – Define each of these terms in your own words.

1. Quantitative vs Qualitative

2. Objective vs Subjective

3. Observe vs Inference

2 Types of Data

Quantitative• data consisting

of numbers

Example

Heart rate (80 beats/minute)

Qualitative• data consisting

of verbal descriptions or information gathered using scales without numbers

Examples

Verbal description of heart rate (fast or slow)

Quant or Qual

1. I feel that global warming is based on commercialized information and not scientific research.

2. Of 300 people, 207 people like moose tracks ice cream while only 93 enjoy bacon maple ice cream.

3. Bill describes his technique when eating a piece of pizza.

Qual

Quant

Qual

2 Types of Observations

Objective

• an observation based on fact

fact – a piece of information that can be strictly defined and proved true.

Subjective

• an observation based on opinion

opinion – a statement that expresses a belief, value, or feeling

Objective or Subjective?

• Science looks like fun today!Subjective

• Kanye West’s songs sound good!Subjective

• The counter-tops in class are black!Objective

• School French fries taste good!Subjective

• The summer was too short!Subjective

• There are sixty seconds in a minute!Objective

Inference

• an explanation that tries to make sense of your observations

• influenced by your experiences/prior knowledge

• these explanations may not be true

ExampleObservation:

John was breathing heavily as he walked into the classroom.

Possible Inferences: 1. He ran to class because he was going to be late

2. He just played basketball in gym

What would you infer?

1. Everyone is closing their book because…

2. Many students buy French fries because…

3. Students arrived to class sweaty because…

4. All of the students are laughing because…

Objective or Subjective1) It snows to much during the winter in Tennessee.2) A cow has a nose, two eyes, two ears, and four legs.3) Science can explain all the answers to our questions.

Quantitative or Qualitative1) 30 people like to eat Moose Tracks Ice Cream2) Fred claimed he prefers to each sweet potato fried

while Wilma likes regular fries.3) Fred explained that sweet potato fries are his favorite

because they make his stomach feel full.4) Wilma recorded all the people that ate french fries

with mustard, ketchup, or mayonnaise.

SubjObjSubj

Quant

Quant

Qual

Qual

Read the observation and infer what might have happened

1) The blood from the steak made the roll soggy.

2) The front window was smashed into the car.

2 Types of Data

Quantitative• data consisting

of numbers

Example

Heart rate (80 beats/minute)

Qualitative• data consisting

of verbal descriptions or information gathered using scales without numbers

Examples

Verbal description of heart rate (fast or slow)

Quant or Qual

1. I feel that global warming is based on commercialized information and not scientific research.

2. Of 300 people, 207 people like moose tracks ice cream while only 93 enjoy bacon maple ice cream.

3. Bill describes his technique when eating a piece of pizza.

2 Types of Observations

Objective

• an observation based on fact

fact – a piece of information that can be strictly defined and proved true.

Subjective

• an observation based on opinion

opinion – a statement that expresses a belief, value, or feeling

Objective or Subjective?

• Science looks like fun today!

• Kanye West’s songs sound good!

• The counter-tops in class are black!

• School French fries taste good!

• The summer was too short!

• There are sixty seconds in a minute!

Inference

• an explanation that tries to make sense of your observations

• influenced by your experiences/prior knowledge

• these explanations may not be true

ExampleObservation:

John was breathing heavily as he walked into the classroom.

Possible Inferences: 1. He ran to class because he was going to be late

2. He just played basketball in gym

What would you infer?

1. Everyone is closing their book because…

2. Many students buy French fries because…

3. Students arrived to class sweaty because…

4. All of the students are laughing because…

Objective or Subjective1) It snows to much during the winter in Tennessee.2) A cow has a nose, two eyes, two ears, and four legs.3) Science can explain all the answers to our questions.

Quantitative or Qualitative1) 30 people like to eat Moose Tracks Ice Cream2) Fred claimed he prefers to each sweet potato fried

while Wilma likes regular fries.3) Fred explained that sweet potato fries are his favorite

because they make his stomach feel full.4) Wilma recorded all the people that ate french fries

with mustard, ketchup, or mayonnaise.

Read the observation and infer what might have happened

1) The blood from the steak made the roll soggy.

2) The front window was smashed into the car.