BASIC CONCEPTS

Empirical evidence is the information received by means of the senses, particularly by...

• observation and documentation of patterns and behavior through reading

• observation and documentation of patterns and behavior through experimentation

• observation and documentation of patterns and behavior through your experience

• observation and documentation of patterns and behavior through guessing

The _____ refers to what will be manipulated in the experiment

If the RQ is “Does working with e-devices increase productivity?”...

• Productivity results is the IV

• Productivity results is the DV

Control variables...

• can be our IV

• can't be our IV

• may potentially have an impact and that therefore are controlled in our experiment

• affect our IVs and/or DVs and are very hard to control

Give an example of a ratio variable

Its values are counted

If from a population of all Erasmus students, you randomly select an acceptably large number...

• You got a sample

• You got a smaller population

• You got a population

An experiment that happens in the classroom...

• is a lab experiment

• is a field experiment

• is a lab experiment and a field experiment

After getting the data analysis...

• we collect the data

• we run the experiment again

• we report and communicate

The mean performance after eating sugar is lower than the mean performance after no eating sugar

• non-directional hypothesis

• directional hypothesis

• null hypothesis

• alternative hypothesis