Developmental psychology worksheet with answers

Comparing identical and fraternal twins is mainly used to study:

1. AWhy some children start babbling earlier
2. BThe relative influence of genes and environment
3. CHow memory develops during the first year of life
4. DWhether Piaget's stages occur in a fixed order

The "rouge test", in which a mark is placed on a child's nose before they look in a mirror, measures:

1. AVisual self-recognition
2. BUnderstanding false beliefs
3. CObject permanence
4. DDepth perception

Differences between age groups that are caused by growing up in different historical times are called:

1. AOrder effects
2. BCohort effects
3. CCeiling effects
4. DPractice effects

Which concept refers to a period when a child is especially sensitive to certain experiences?

1. AObject permanence
2. BAccommodation
3. CHabituation
4. DCritical (sensitive) period

Fantz showed infants pairs of patterns and measured how long they looked at each. Many young infants looked longest at:

1. APrinted text
2. BFace-like patterns
3. CBlank grey cards
4. DPlain coloured discs

Bowlby's "44 thieves" study linked early prolonged separation from the mother to:

1. AAffectionless psychopathy
2. BEarly language development
3. CHigher intelligence scores
4. DAdvanced moral reasoning

Which finding challenges the idea that attachment forms only with the mother?

1. ASchaffer and Emerson found many infants form multiple attachments, including to fathers
2. BInfants only attach to the person who feeds them
3. CBowlby found no effect of separation
4. DHarlow's monkeys preferred wire mothers

In Tronick's "still-face" procedure, a mother suddenly stops responding and keeps a neutral face. Infants typically react by:

1. AIgnoring the change and carrying on playing as before
2. BTrying to re-engage her, then becoming upset and looking away
3. CTurning to the experimenter instead and staying calm throughout
4. DSmiling and babbling much more than before the change