Reliability and Validity

Reorder the following validity definition: what supposed it's measuring to

• measuring

• what

• it's

• supposed

• to

​ (a)   validity refers to the validity of the experiment within the ​ (b)   in which it is ​ (c)   out.

• internal
• context
• carried

External validity: The extent to which findings can be _________ to other settings

An independent expert looks at the measure being used and assesses whether it will measure what it has set out to measure

• Ecological validity

• Face validity

• Population valditiy

• Temporal validity

Comparing the ​new procedure with a ​ (a)   procedure that has been done before where validity has already been ​ (b)   .  

If the scores correlate as a strong ​ (c)   correlation, then this is ​ (d)   validity

• similar
• established
• positive
• concurrent
• face 
• random
• negative
• historical

Population Validity; the extent to which findings can be _______ from the sample in the experiment to the rest of the target population in society

• ______ Validity- refers to how relevant the time period is affecting the findings 

• What key issues can occur during experiments that reduce internal validity?

• Random sampling errors
• Double blind procedure

• • Researcher Bias

• Demand characteristics

​ (a)   blind procedure- neither participants nor ​ (b)   are informed of who is in which condition of the ​ (c)   variable

• Double
• researcher
• independent
• dependent 
• single

Single blind procedure- the _______ are not informed of which condition of the independent variable they have been placed