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.