PSYC210 EXAM SCRIPT FINAL PAPER
ACTUAL QUESTIONS AND ANSWERS FULLY
SOLVED PREMIUM RESOURCE
●● What is the analogy approach?
Answer: analogy between some new event and a more familiar
understandable event
●● What is the rule approach?
Answer: Try to establish laws or rules that cover a variety of different
observations
●● What is the empirical approach
Answer: Testing ideas against actual events
●● What are the two criteria that a hypothesis must include?
Answer: Testable - can devise a test of an hypothesis
Falsifiable - test can show the hypothesis is incorrect
●● Explain refers to ...
Answer: Finding out what caused behaviour
,●● What is causation?
Answer: Changing the first thing produces a change in the second
There is no other possible cause for the change in the second thing
●● What does descriptive statistics refer to?
Answer: Summarise the data collected from the sample
●● What does inferential statistics refer to?
Answer: Generalise from the sample to the population
●● What is the dependent variable?
Answer: The measurement taken, what you record,
●● What is the property of interest?
Answer: What you are trying to measure e.g. intelligence
●● The dependent variable must ....
Answer: Indirectly reflect the property of interest
●● So the operational definition =
Answer: Specification of how the property of interest will be measured
, ●● Validity
Answer: A DV us valid if it measures what it is supposed to (poor OD =
invalid DV)
●● Reliability
Answer: A DV is reliable if under the same conditions it gives the same
measure and contains a minimum of measurement error
●● A biased DV...
Answer: Is consistently inaccurate in one direction (always high or
always low)
●● A good DV is
Answer: Valid, reliable, unbiased
●● What is ceiling effect?
Answer: When a task is so easy that all scores are very high
●● What is floor effect?
Answer: When the task is so difficult that all scores are very low
●● What are the two types of categorical data?
Answer: Ordered (military rank) and unordered (gender, political party)
ACTUAL QUESTIONS AND ANSWERS FULLY
SOLVED PREMIUM RESOURCE
●● What is the analogy approach?
Answer: analogy between some new event and a more familiar
understandable event
●● What is the rule approach?
Answer: Try to establish laws or rules that cover a variety of different
observations
●● What is the empirical approach
Answer: Testing ideas against actual events
●● What are the two criteria that a hypothesis must include?
Answer: Testable - can devise a test of an hypothesis
Falsifiable - test can show the hypothesis is incorrect
●● Explain refers to ...
Answer: Finding out what caused behaviour
,●● What is causation?
Answer: Changing the first thing produces a change in the second
There is no other possible cause for the change in the second thing
●● What does descriptive statistics refer to?
Answer: Summarise the data collected from the sample
●● What does inferential statistics refer to?
Answer: Generalise from the sample to the population
●● What is the dependent variable?
Answer: The measurement taken, what you record,
●● What is the property of interest?
Answer: What you are trying to measure e.g. intelligence
●● The dependent variable must ....
Answer: Indirectly reflect the property of interest
●● So the operational definition =
Answer: Specification of how the property of interest will be measured
, ●● Validity
Answer: A DV us valid if it measures what it is supposed to (poor OD =
invalid DV)
●● Reliability
Answer: A DV is reliable if under the same conditions it gives the same
measure and contains a minimum of measurement error
●● A biased DV...
Answer: Is consistently inaccurate in one direction (always high or
always low)
●● A good DV is
Answer: Valid, reliable, unbiased
●● What is ceiling effect?
Answer: When a task is so easy that all scores are very high
●● What is floor effect?
Answer: When the task is so difficult that all scores are very low
●● What are the two types of categorical data?
Answer: Ordered (military rank) and unordered (gender, political party)
