Cumulative-deficit hypothesis refers to the notion that impoverished environments inhibit intellectual growth and that these inhibiting effects accumulate over time.

Related Articles

Environmental hypothesis at■■■■■■
Environmental hypothesis: Environmental hypothesis refers to the notion that groups differ in IQ because . . . Read More
Canalization at■■■■
Canalization: Canalization refers to genetic restriction of phenotype to a small number of developmental . . . Read More
Anticholinesterase at■■■■
Anticholinesterase: Anticholinesterase refers to an agent that inhibits action of acetylcholinesterase . . . Read More
Equipotentiality at■■■■
Equipotentiality: Equipotentiality is a term first coined by Flourens to describe the notion that mental . . . Read More
Alternative hypothesis at■■■
Alternative hypothesis: Alternative hypothesis refers to an assertion that the independent variable in . . . Read More
Maternal immune hypothesis at■■■
Maternal immune hypothesis: Maternal immune hypothesis refers to the Theory of Sexual orientation that . . . Read More
Experimenter bias at■■■
Experimenter bias: Experimenter bias refers to the iInfluence of the experimenter''s expectations or . . . Read More
Direct effects hypothesis at■■■
Direct effects hypothesis: Direct effects hypothesis refers to the theory that coping resources, such . . . Read More
Social selection hypothesis at■■■
Social selection hypothesis: Social selection hypothesis refers to the premise that people tend to select . . . Read More
Reciprocal gene–environment model at■■■
reciprocal gene–environment model: reciprocal gene–environment model refers to the Hypothesis that . . . Read More