21.

Which among the following is different from the characteristics of a good test?

• Reliability
  
  

• Validity
  
  

• Objectivity
  
  

• Aptitude

Which of the following is not the theory of intelligence?

• Unifactor theory
  
  

• Two-factor theory
  
  

• Theory of regression
  
  

• Multifactor theory 

Which one of the following is not a ductless gland?

• Adrenal gland
  
  

• Pituitary gland
  
  

• Salivary gland

• Thyroid gland

According to Piaget, the second stage of cognitive development is

• sensorimotor stage
  
  

• Formal operations stage
  
  

• pre-operations stage
  
  

• concrete operations stage

What is the factor influencing physical development?

• Heredity
  
  

• Environment
  
  

• Sports and exercise
  
  

• All of these

Which of the following is the correct formula to calculate IQ?

• $\frac{\mathrm{MA}}{\mathrm{CA}}\times 100$
  
  

• $\frac{\mathrm{CA}}{\mathrm{MA}}$
  
  

• $\frac{\mathrm{CA}}{\mathrm{MA}}\times 100$
  
  

• $\frac{\mathrm{MA}}{\mathrm{CA}\times 100}$

Who among the following described 'reflective thinking'?

• Dewey
  
  

• Ross
  
  

• Woodworth
  
  

• Drever

Which is not included in the levels of inductive reasoning?

• Observation
  
  

• Generalisation
  
  

• Experiment
  
  

• Imagination

Failure in retention and recall of learnt content is

• forgetting
  
  

• retention
  
  

• memory
  
  

• thinking

The main characteristic of basic instinct is that which is 

• found only in human beings
  
  

• cats and rats
  
  

• all organisms and it is inborn and natural artists
  
  

• artist