Reasoning Approach  Latent Variable  Item  Statement of Manifest Variable  Cognitive Function 
Strategic Approach  Preparing  41  I tried a lot of different ways until I found the right one  Exploration 
 52  I had several attempts at finding a solution before I gave up for a time and came back to it later  Impasse  

 53  I played around and explored the problem for a while  Exploration 

 56  I set the problem aside for a time  Impasse 
Freeflowing Approach  Incubating  36  I drew upon all mental resources/parts of me to solve this problem  Breadth of attention 

 27  I connected with the patterns in this problem  Associative 

 57  Having set aside the problem for a time I found that the solution suddenly popped into my mind  Associative illumination 

 39  I thought of how to get the answer to this problem while I was doing something else (e.g. riding a bike)  Defocused attention 
Feeling Approach  Illuminating  38  I developed a feeling about the correctness of my solution before I checked it  Intrapersonal scrutiny 

 28  I had a sense of relative sizes in this problem  Cue relevance 

 22  The ‘answer’ or ‘how to get the answer’ suddenly came into my head while I was working on this problem  Intuitive insight 

 55  I followed a feeling/ hunch about what to do  Intuition 
Systematic Approach  Elaborating  31  I used a sequence of logical steps in this problem  Sequential reasoning 

 29  I organized my reasoning/thinking in a strategic way  Organizing 

 49h  Talked over the quantities in your mind  Familiarization 

 34  I tried to verify/check that my answer was correct  Evaluation 