RM 13

Question 1

Small N designs: solutions to internal validity threat

Answer 1

a. stable baseline design
b. multiple baseline design
c. reversal design

Question 2

Quasi Experiment, when do we use

Answer 2

some experimental manipulations are impossible/ undesirable
a. unethical
b. impractical
c. impossible

Question 3

quasi experiment

Answer 3

experiments i which researchers don’t manipulate an individual variable

Question 4

Observational research vs Quasi-experimental research vs experimental research

Answer 4

a. natural variation // natural variation
b. selection ‘causes’ variation
c. manipulation ‘causes’ variation

Question 5

construct validity

Answer 5

did the test measure what it was supposed to measure

Question 6

internal validity

Answer 6

are there alternative explanations for the results found

Question 7

external validity

Answer 7

can we generalise the results to the population

Question 8

statistical validity

Answer 8

can the conclusions drawn be measured by a significant test