The evidence from studies of twins and biological and adoptive siblings indicates that genetic influences explain approximately _____ percent of individual variations in personality traits (Vukasović & Bratko, 2015).a.40b.15c.25d.0 to 10

Which of the following are results from twin and adoption personality studies?  Correct Answer(s)The correlations of personality traits between siblings are similar to those of identical twins.There appears to be little parental influence on adopted children’s personalities.Adopted children’s personalities are not similar to those of the parents who adopt and raise them.The correlations of personality traits between identical twins are higher than the correlations for fraternal twins.Incorrect Answer(s)

Fill in the Blank QuestionFill in the blank question.Twin-adoption studies examine three different forms of similarity: genetic, environmental, and .

IntelligenceMultiple Choicesupports the theory that personality traits are genetic and inherited.is the capacity to understand the world, think rationally, and use resources effectively when faced with challenges.involves tests that take ambiguous stories or pictures and asks people to explain.is measured by tests consisting of pictures that people are then asked to write stories about.

The evidence for hereditary influences onintelligence comes mainly from studies ontwins and adopted children. Theintelligence of identical twins rearedtogether correlate almost 0.90. Twinsseparated early in childhood alsoshow considerable similarity in theirintellectual, personality and behaviouralcharacteristics. The intelligence of identicaltwins reared in different environmentscorrelate 0.72, those of fraternal twinsreared together correlate almost 0.60, andthose of brothers and sisters rearedtogether correlate about 0.50, whilesiblings reared apart correlate about 0.25.Another line of evidence comes from thestudies of adopted children, whichshow that children’s intelligence is more

As identified by Buss and Plomin (1984), which of the following are the basic aspects of temperament that are influenced by genes?Correct Answer(s)openness to experienceactivity levelconscientiousnesssociabilityemotionalityIncorrect Answer(s)